Race condition in RPM 4.11.1 and earlier allows remote attackers to execute arbitrary code via a crafted RPM file whose installation extracts the contents to temporary files before validating the signature, as demonstrated by installing a file in the /etc/cron.d directory.

The remote host is affected by the vulnerability described in GLSA-201811-22 (RPM: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in RPM. Please review the       CVE identifiers referenced below for details.
  Impact :

    A remote attacker, by enticing the user to process a specially crafted       RPM file, could escalate privileges, execute arbitrary code, or cause a       Denial of Service condition.
  Workaround :

    There is no known workaround at this time.

The remote OracleVM system is missing necessary patches to address critical security updates :

  - Add missing files in /usr/share/doc/

  - Fix warning when applying the patch for #1163057

  - Fix race condidition where unchecked data is exposed in     the file system (CVE-2013-6435)(#1163057)

  - Fix segfault on rpmdb addition when header unload fails     (#706935)

  - Fix segfault on invalid OpenPGP packet (#743203)

  - Account for excludes and hardlinks wrt payload max size     (#716853)

  - Fix payload size tag generation on big-endian systems     (#648516)

  - Track all install failures within a transaction     (#671194)

  - fix changelog (bug #707677 is actually #808547)

  - Document -D and -E options in man page (#814602)

  - Require matching arch for freshen on colored     transactions (#813282)

  - Add DWARF 3 and 4 support to debugedit (#808547)

  - No longer add \n to group tag in Python bindings     (#783451)

  - Fix typos in Japanese rpm man page (#760552)

  - Bump Geode compatibility up to i686 (#620570)

  - Proper region tag validation on package/header read     (CVE-2012-0060)

  - Double-check region size against header size     (CVE-2012-0061)

  - Validate negated offsets too in headerVerifyInfo     (CVE-2012-0815)

  - Revert fix for #740291, too many packages rely on the     broken behavior

  - Add support for XZ-compressed sources and patches to     rpmbuild (#620674)

  - Avoid unnecessary assert-death when closing NULL fd     (#573043)

  - Add scriptlet error notification callbacks (#533831)

  - Honor --noscripts for pre- and posttrans scriptlets too     (#740345)

  - Avoid bogus error on printing empty ds from python     (#628883)

  - File conflicts correctness & consistency fixes (#740291)

  - Create the directory used for transaction lock if     necessary (#510469)

  - Only enforce default umask during transaction (#673821)

  - fix thinko in the CVE backport

  - fix CVE-2011-3378 (#742157)

  - accept windows cr/lf line endings in gpg keys (#530212)

  - Backport multilib ordering fixes from rpm 4.8.x     (#641892)

Race condition in RPM 4.11.1 and earlier allows remote attackers to execute arbitrary code via a crafted RPM file whose installation extracts the contents to temporary files before validating the signature, as demonstrated by installing a file in the /etc/cron.d directory

Several vulnerabilities have been fixed in rpm :

CVE-2014-8118

Fix integer overflow which allowed remote attackers to execute arbitrary code.

CVE-2013-6435

Prevent remote attackers from executing arbitrary code via crafted RPM files.

CVE-2012-0815

Fix denial of service and possible code execution via negative value in region offset in crafted RPM files.

CVE-2012-0060 and CVE-2012-0061

Prevent denial of service (crash) and possibly execute arbitrary code execution via an invalid region tag in RPM files.

We recommend that you upgrade your rpm packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Updated rpm packages fix security vulnerabilities :

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation (CVE-2013-6435).

It was found that RPM could encounter an integer overflow, leading to a stack-based buffer overflow, while parsing a crafted CPIO header in the payload section of an RPM file. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation (CVE-2014-8118).

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2479-1 advisory.

    Florian Weimer discovered that RPM incorrectly handled temporary files. A local attacker could use this     issue to execute arbitrary code. (CVE-2013-6435)

    Florian Weimer discovered that RPM incorrectly handled certain CPIO headers. If a user or automated system     were tricked into installing a malicious package file, a remote attacker could use this issue to cause RPM     to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-8118)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Two vulnerabilities have been discovered in the RPM package manager.

  - CVE-2013-6435     Florian Weimer discovered a race condition in package     signature validation.

  - CVE-2014-8118     Florian Weimer discovered an integer overflow in parsing     CPIO headers which might result in the execution of     arbitrary code.

- Add check against malicious CPIO file name size

    - Fix race condidition where unchecked data is exposed       in the file system

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This rpm update fixes the following security and non security issues :

  - honor --noglob in install mode [bnc#892431]

  - check for bad invalid name sizes [bnc#908128]     [CVE-2014-8118]

  - create files with mode 0 [bnc#906803] [CVE-2013-6435]

This update also includes version updates of rpm-python and python3-rpm.

This rpm update fixes the following security and non security issues.

  - check for bad invalid name sizes. (CVE-2014-8118).
    (bnc#908128)

  - create files with mode 0. (CVE-2013-6435). (bnc#906803)

  - honor --noglob in install mode. (bnc#892431)

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
(CVE-2013-6435)

It was found that RPM could encounter an integer overflow, leading to a stack-based buffer overflow, while parsing a crafted CPIO header in the payload section of an RPM file. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation. (CVE-2014-8118)

All running applications linked against the RPM library must be restarted for this update to take effect.

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
(CVE-2013-6435)

All running applications linked against the RPM library must be restarted for this update to take effect.

The remote OracleVM system is missing necessary patches to address critical security updates :

  - Fix race condidition where unchecked data is exposed in     the file system (CVE-2013-6435)(#1163059)

  - Fix thinko in the non-root python byte-compilation fix

  - Byte-compile versioned python libdirs in non-root prefix     too (#868332)

  - Fix segfault on rpmdb addition when header unload fails     (#706935)

  - Add a compat mode for enabling legacy rpm scriptlet     error behavior (#963724)

  - Fix build-time double-free on file capability processing     (#904818)

  - Fix include-directive getting processed on false branch     (#920190)

  - Bring back --fileid in the man page with description of     the id (#804049)

  - Fix missing error on --import on bogus key file     (#869667)

  - Add DWARF 4 support to debugedit (#858731)

  - Add better error handling to patch for bug

  - Fix memory corruption on multikey PGP packets/armors     (#829621)

  - Handle identical binaries for debug-info (#727872)

  - Fix typos in Japanese rpm man page (#845065)

  - Document -D and -E options in man page (#845063)

  - Add --setperms and --setuids to the man page (#839126)

  - Update man page that SHA256 is also used for file digest     (#804049)

  - Remove --fileid from man page to get rid of md5

  - Remove -s from patch calls (#773503)

  - Force _host_vendor to redhat to better match toolchain     (#743229)

  - Backport reloadConfig for Python API (#825147)

  - Support for dpkg-style sorting of tilde in     version/release (#825087)

  - Fix explicit directory %attr when %defattr is active     (#730473)

  - Don't load keyring if signature checking is disabled     (#664696)

  - Retry read to fix rpm2cpio with pipe as stdin (#802839)

Updated rpm packages that fix two security issues are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The RPM Package Manager (RPM) is a powerful command line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages. Each software package consists of an archive of files along with information about the package such as its version, description, and other information.

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
(CVE-2013-6435)

It was found that RPM could encounter an integer overflow, leading to a stack-based buffer overflow, while parsing a crafted CPIO header in the payload section of an RPM file. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation. (CVE-2014-8118)

These issues were discovered by Florian Weimer of Red Hat Product Security.

All rpm users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. All running applications linked against the RPM library must be restarted for this update to take effect.

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2014:1976 advisory.

    The RPM Package Manager (RPM) is a powerful command line driven package     management system capable of installing, uninstalling, verifying, querying,     and updating software packages. Each software package consists of an     archive of files along with information about the package such as its     version, description, and other information.

    It was found that RPM wrote file contents to the target installation     directory under a temporary name, and verified its cryptographic signature     only after the temporary file has been written completely. Under certain     conditions, the system interprets the unverified temporary file contents     and extracts commands from it. This could allow an attacker to modify     signed RPM files in such a way that they would execute code chosen by the     attacker during package installation. (CVE-2013-6435)

    It was found that RPM could encounter an integer overflow, leading to a     stack-based buffer overflow, while parsing a crafted CPIO header in the     payload section of an RPM file. This could allow an attacker to modify     signed RPM files in such a way that they would execute code chosen by the     attacker during package installation. (CVE-2014-8118)

    These issues were discovered by Florian Weimer of Red Hat Product Security.

    All rpm users are advised to upgrade to these updated packages, which     contain backported patches to correct these issues. All running     applications linked against the RPM library must be restarted for this     update to take effect.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated rpm packages that fix one security issue are now available Red Hat Enterprise Linux 5.6 Long Life, Red Hat Enterprise Linux 5.9 Extended Update Support, Red Hat Enterprise Linux 6.2 Advanced Update Support, and Red Hat Enterprise Linux 6.4 Extended Update Support, Red Hat Enterprise Linux 6.5 Extended Update Support.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The RPM Package Manager (RPM) is a powerful command line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages. Each software package consists of an archive of files along with information about the package such as its version, description, and other information.

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
(CVE-2013-6435)

This issue was discovered by Florian Weimer of Red Hat Product Security.

All rpm users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications linked against the RPM library must be restarted for this update to take effect.

The remote Redhat Enterprise Linux 5 / 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2014:1974 advisory.

    The RPM Package Manager (RPM) is a powerful command line driven package     management system capable of installing, uninstalling, verifying, querying,     and updating software packages. Each software package consists of an     archive of files along with information about the package such as its     version, description, and other information.

    It was found that RPM wrote file contents to the target installation     directory under a temporary name, and verified its cryptographic signature     only after the temporary file has been written completely. Under certain     conditions, the system interprets the unverified temporary file contents     and extracts commands from it. This could allow an attacker to modify     signed RPM files in such a way that they would execute code chosen by the     attacker during package installation. (CVE-2013-6435)

    This issue was discovered by Florian Weimer of Red Hat Product Security.

    All rpm users are advised to upgrade to these updated packages, which     contain a backported patch to correct this issue. All running applications     linked against the RPM library must be restarted for this update to take     effect.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2014-1976 advisory.

    - Fixes CVE-2014-8118

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

From Red Hat Security Advisory 2014:1974 :

Updated rpm packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The RPM Package Manager (RPM) is a powerful command line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages. Each software package consists of an archive of files along with information about the package such as its version, description, and other information.

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
(CVE-2013-6435)

This issue was discovered by Florian Weimer of Red Hat Product Security.

All rpm users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications linked against the RPM library must be restarted for this update to take effect.

Updated rpm packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.

Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The RPM Package Manager (RPM) is a powerful command line driven package management system capable of installing, uninstalling, verifying, querying, and updating software packages. Each software package consists of an archive of files along with information about the package such as its version, description, and other information.

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
(CVE-2013-6435)

This issue was discovered by Florian Weimer of Red Hat Product Security.

All rpm users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications linked against the RPM library must be restarted for this update to take effect.

It was found that RPM could encounter an integer overflow, leading to a stack-based overflow, while parsing a crafted CPIO header in the payload section of an RPM file. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation. (CVE-2014-8118)

It was found that RPM wrote file contents to the target installation directory under a temporary name, and verified its cryptographic signature only after the temporary file has been written completely.
Under certain conditions, the system interprets the unverified temporary file contents and extracts commands from it. This could allow an attacker to modify signed RPM files in such a way that they would execute code chosen by the attacker during package installation.
Red Hat has published an excellent analysis of this issue.
(CVE-2013-6435)

ID	Name	Product	Family	Severity
119276	GLSA-201811-22 : RPM: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
91753	OracleVM 3.2 : rpm (OVMSA-2016-0077)	Nessus	OracleVM Local Security Checks	high
88435	F5 Networks BIG-IP : Linux RPM vulnerability (SOL16383)	Nessus	F5 Networks Local Security Checks	high
82123	Debian DLA-140-1 : rpm security update	Nessus	Debian Local Security Checks	critical
81939	Mandriva Linux Security Advisory : rpm (MDVSA-2015:056)	Nessus	Mandriva Local Security Checks	critical
80854	Ubuntu 14.04 LTS : RPM vulnerabilities (USN-2479-1)	Nessus	Ubuntu Local Security Checks	critical
80573	Debian DSA-3129-1 : rpm - security update	Nessus	Debian Local Security Checks	critical
80288	Fedora 20 : rpm-4.11.3-2.fc20 (2014-16838)	Nessus	Fedora Local Security Checks	critical
80276	openSUSE Security Update : python3-rpm / rpm / rpm-python (openSUSE-SU-2014:1716-1)	Nessus	SuSE Local Security Checks	critical
80252	SuSE 11.3 Security Update : popt (SAT Patch Number 10097)	Nessus	SuSE Local Security Checks	critical
80065	Fedora 21 : rpm-4.12.0.1-4.fc21 (2014-16890)	Nessus	Fedora Local Security Checks	critical
80016	Scientific Linux Security Update : rpm on SL7.x x86_64 (20141209)	Nessus	Scientific Linux Local Security Checks	critical
80015	Scientific Linux Security Update : rpm on SL5.x, SL6.x i386/x86_64 (20141209)	Nessus	Scientific Linux Local Security Checks	high
80008	OracleVM 3.3 : rpm (OVMSA-2014-0083)	Nessus	OracleVM Local Security Checks	high
79996	Mandriva Linux Security Advisory : rpm (MDVSA-2014:251)	Nessus	Mandriva Local Security Checks	critical
79877	CentOS 7 : rpm (CESA-2014:1976)	Nessus	CentOS Local Security Checks	critical
79851	RHEL 7 : rpm (RHSA-2014:1976)	Nessus	Red Hat Local Security Checks	critical
79850	RHEL 5 / 6 : rpm (RHSA-2014:1975)	Nessus	Red Hat Local Security Checks	high
79849	RHEL 5 / 6 : rpm (RHSA-2014:1974)	Nessus	Red Hat Local Security Checks	critical
79847	Oracle Linux 7 : rpm (ELSA-2014-1976)	Nessus	Oracle Linux Local Security Checks	critical
79846	Oracle Linux 5 / 6 : rpm (ELSA-2014-1974)	Nessus	Oracle Linux Local Security Checks	high
79843	CentOS 5 / 6 : rpm (CESA-2014:1974)	Nessus	CentOS Local Security Checks	high
79842	Amazon Linux AMI : rpm (ALAS-2014-458)	Nessus	Amazon Linux Local Security Checks	critical

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