Security fix for CVE-2018-18311, CVE-2018-18312, CVE-2018-18313 and CVE-2018-18314

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

An update of the perl package has been released.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0010 advisory.

    Perl is a high-level programming language that is commonly used for system administration utilities and     web programming.

    Security Fix(es):

    * perl: Integer overflow leading to buffer overflow in Perl_my_setenv() (CVE-2018-18311)

    * perl: Heap-based buffer overflow in S_handle_regex_sets() (CVE-2018-18312)

    * perl: Heap-based buffer overflow in S_regatom() (CVE-2018-18314)

    * perl: Heap-based buffer read overflow in S_grok_bslash_N() (CVE-2018-18313)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Red Hat would like to thank the Perl project for reporting these issues. Upstream acknowledges Jayakrishna     Menon as the original reporter of CVE-2018-18311; Eiichi Tsukata as the original reporter of     CVE-2018-18312 and CVE-2018-18313; and Jakub Wilk as the original reporter of CVE-2018-18314.

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.

This update for perl fixes the following issues :

Secuirty issues fixed :

  - CVE-2018-18311: Fixed integer overflow with oversize     environment (bsc#1114674).

  - CVE-2018-18312: Fixed heap-buffer-overflow write /     reg_node overrun (bsc#1114675).

  - CVE-2018-18313: Fixed heap-buffer-overflow read if regex     contains \0 chars (bsc#1114681).

  - CVE-2018-18314: Fixed heap-buffer-overflow in regex     (bsc#1114686).

This update was imported from the SUSE:SLE-15:Update update project.

According to the versions of the perl packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - An issue was discovered in Perl 5.18 through 5.26. A     crafted regular expression can cause a heap-based     buffer overflow, with control over the bytes     written.(CVE-2018-6797)

  - An issue was discovered in Perl 5.22 through 5.26.
    Matching a crafted locale dependent regular expression     can cause a heap-based buffer over-read and potentially     information disclosure.(CVE-2018-6798)

  - Heap-based buffer overflow in the pack function in Perl     before 5.26.2 allows context-dependent attackers to     execute arbitrary code via a large item     count.(CVE-2018-6913)

  - Perl before 5.26.3 and 5.28.0 before 5.28.1 has a     buffer overflow via a crafted regular expression that     triggers invalid write operations.(CVE-2018-18312)

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

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0001 advisory.

    Perl is a high-level programming language that is commonly used for system administration utilities and     web programming.

    The following packages have been upgraded to a later upstream version: rh-perl526-perl (5.26.3), rh-     perl526-perl-Module-CoreList (5.20181130). (BZ#1658969)

    Security Fix(es):

    * perl: Integer overflow leading to buffer overflow in Perl_my_setenv() (CVE-2018-18311)

    * perl: Heap-based buffer overflow in S_handle_regex_sets() (CVE-2018-18312)

    * perl: Heap-based buffer overflow in S_regatom() (CVE-2018-18314)

    * perl: Heap-based buffer read overflow in S_grok_bslash_N() (CVE-2018-18313)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Red Hat would like to thank the Perl project for reporting these issues. Upstream acknowledges Jayakrishna     Menon as the original reporter of CVE-2018-18311; Eiichi Tsukata as the original reporter of     CVE-2018-18312 and CVE-2018-18313; and Jakub Wilk as the original reporter of CVE-2018-18314.

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.

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3834-1 advisory.

    Jayakrishna Menon discovered that Perl incorrectly handled Perl_my_setenv. An attacker could use this     issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.
    (CVE-2018-18311)

    Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use     this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code.
    This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18312)

    Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use     this issue to cause Perl to crash, resulting in a denial of service. (CVE-2018-18313)

    Jakub Wilk discovered that Perl incorrectly handled certain regular expressions. An attacker could use     this issue to cause Perl to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04     LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18314)

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.

This update for perl fixes the following issues :

Secuirty issues fixed :

CVE-2018-18311: Fixed integer overflow with oversize environment (bsc#1114674).

CVE-2018-18312: Fixed heap-buffer-overflow write / reg_node overrun (bsc#1114675).

CVE-2018-18313: Fixed heap-buffer-overflow read if regex contains \0 chars (bsc#1114681).

CVE-2018-18314: Fixed heap-buffer-overflow in regex (bsc#1114686).

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

The remote host is affected by the vulnerability described in GLSA-201909-01 (Perl: Multiple vulnerabilities)

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

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

Multiple vulnerabilities were discovered in the implementation of the Perl programming language. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2018-18311     Jayakrishna Menon and Christophe Hauser discovered an     integer overflow vulnerability in Perl_my_setenv leading     to a heap-based buffer overflow with attacker-controlled     input.

  - CVE-2018-18312     Eiichi Tsukata discovered that a crafted regular     expression could cause a heap-based buffer overflow     write during compilation, potentially allowing arbitrary     code execution.

  - CVE-2018-18313     Eiichi Tsukata discovered that a crafted regular     expression could cause a heap-based buffer overflow read     during compilation which leads to information leak.

  - CVE-2018-18314     Jakub Wilk discovered that a specially crafted regular     expression could lead to a heap-based buffer overflow.

ID	Name	Product	Family	Published	Updated	Severity
120656	Fedora 29 : 4:perl (2018-9dbe983805)	Nessus	Fedora Local Security Checks	1/3/2019	7/2/2024	critical
202793	Photon OS 3.0: Perl PHSA-2019-3.0-0003	Nessus	PhotonOS Local Security Checks	7/22/2024	7/24/2024	critical
194040	RHEL 6 / 7 : rh-perl524-perl (RHSA-2019:0010)	Nessus	Red Hat Local Security Checks	4/27/2024	11/6/2024	critical
119863	openSUSE Security Update : perl (openSUSE-2018-1595)	Nessus	SuSE Local Security Checks	12/24/2018	7/15/2024	critical
131491	EulerOS Virtualization for ARM 64 3.0.3.0 : perl (EulerOS-SA-2019-2326)	Nessus	Huawei Local Security Checks	12/3/2019	4/9/2024	critical
194091	RHEL 7 : rh-perl526-perl (RHSA-2019:0001)	Nessus	Red Hat Local Security Checks	4/27/2024	11/6/2024	critical
119337	Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Perl vulnerabilities (USN-3834-1)	Nessus	Ubuntu Local Security Checks	12/4/2018	8/27/2024	critical
120189	SUSE SLED15 / SLES15 Security Update : perl (SUSE-SU-2018:4187-1)	Nessus	SuSE Local Security Checks	1/2/2019	7/9/2024	critical
128590	GLSA-201909-01 : Perl: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	9/9/2019	4/26/2024	critical
202801	Photon OS 2.0: Perl PHSA-2019-2.0-0137	Nessus	PhotonOS Local Security Checks	7/22/2024	7/22/2024	critical
120786	Fedora 28 : 4:perl (2018-ca03363d57)	Nessus	Fedora Local Security Checks	1/3/2019	7/1/2024	critical
119290	Debian DSA-4347-1 : perl - security update	Nessus	Debian Local Security Checks	11/30/2018	7/18/2024	critical
123159	openSUSE Security Update : perl (openSUSE-2019-1029)	Nessus	SuSE Local Security Checks	3/27/2019	6/12/2024	critical

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