X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a client sequence and with attached data.

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libXtst: Insufficient validation of server responses result in Integer overflows (CVE-2016-7951)

  - X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a     reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a     client sequence and with attached data. (CVE-2016-7952)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libXtst: Insufficient validation of server responses result in Integer overflows (CVE-2016-7951)

  - Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient     memory and a buffer overflow via vectors related to the XRecordGetContext function. (CVE-2013-2063)

  - X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a     reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a     client sequence and with attached data. (CVE-2016-7952)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libXtst: Insufficient validation of server responses result in Integer overflows (CVE-2016-7951)

  - X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a     reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a     client sequence and with attached data. (CVE-2016-7952)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

This plugin has been deprecated as it does not adhere to established standards for this style of check.

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

  - X.org libXtst before 1.2.3 allows remote X servers to     cause a denial of service (infinite loop) via a reply     in the (1) XRecordStartOfData, (2) XRecordEndOfData, or     (3) XRecordClientDied category without a client     sequence and with attached data.(CVE-2016-7952)

  - Multiple integer overflows in X.org libXtst before     1.2.3 allow remote X servers to trigger out-of-bounds     memory access operations by leveraging the lack of     range checks.(CVE-2016-7951)

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.

According to the versions of the libXtst packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - X.Org X11 libXtst runtime librarySecurity     Fix(es):Multiple integer overflows in X.org libXtst     before 1.2.3 allow remote X servers to trigger     out-of-bounds memory access operations by leveraging     the lack of range checks.(CVE-2016-7951)X.org libXtst     before 1.2.3 allows remote X servers to cause a denial     of service (infinite loop) via a reply in the (1)     XRecordStartOfData, (2) XRecordEndOfData, or (3)     XRecordClientDied category without a client sequence     and with attached data.(CVE-2016-7952)

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.

This update for xorg-x11-libs fixes the following issues :

  - insufficient validation of data from the X server can     cause a one byte buffer read underrun (bsc#1003023,     CVE-2016-7953)

  - insufficient validation of data from the X server can     cause out of boundary memory access or endless loops     (Denial of Service) (bsc#1003012, CVE-2016-7951,     CVE-2016-7952)

  - insufficient validation of data from the X server can     cause out of boundary memory writes (bsc#1003000,     CVE-2016-7947, CVE-2016-7948)

  - insufficient validation of data from the X server can     cause out of boundary memory access or endless loops     (Denial of Service). (bsc#1002998, CVE-2016-7945,     CVE-2016-7946)

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.

This update of libXtst fixes the following security issue :

  - malicious data sent from an untrusted or compromised X     server could cause out of boundary memory access or     endless loops (Denial of Service). (boo#1003012,     CVE-2016-7951, CVE-2016-7952)

This update for the X Window System client libraries fixes a class of privilege escalation issues. A malicious X Server could send specially crafted data to X clients, which allowed for triggering crashes, or privilege escalation if this relationship was untrusted or crossed user or permission level boundaries. libX11, libXfixes, libXi, libXrandr, libXrender, libXtst, libXv, libXvMC were fixed, specifically: libX11 :

  - CVE-2016-7942: insufficient validation of data from the     X server allowed out of boundary memory read     (bsc#1002991) libXfixes :

  - CVE-2016-7944: insufficient validation of data from the     X server can cause an integer overflow on 32 bit     architectures (bsc#1002995) libXi :

  - CVE-2016-7945, CVE-2016-7946: insufficient validation of     data from the X server can cause out of boundary memory     access or endless loops (Denial of Service)     (bsc#1002998) libXtst :

  - CVE-2016-7951, CVE-2016-7952: insufficient validation of     data from the X server can cause out of boundary memory     access or endless loops (Denial of Service)     (bsc#1003012) libXv :

  - CVE-2016-5407: insufficient validation of data from the     X server can cause out of boundary memory and memory     corruption (bsc#1003017) libXvMC :

  - CVE-2016-7953: insufficient validation of data from the     X server can cause a one byte buffer read underrun     (bsc#1003023) libXrender :

  - CVE-2016-7949, CVE-2016-7950: insufficient validation of     data from the X server can cause out of boundary memory     writes (bsc#1003002) libXrandr :

  - CVE-2016-7947, CVE-2016-7948: insufficient validation of     data from the X server can cause out of boundary memory     writes (bsc#1003000)

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.

Security fix for CVE-2016-7951, CVE-2016-7952

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.

New x11 packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, 14.2, and -current to fix security issues.

Tobias Stoeckmann from the OpenBSD project discovered the following vulnerability in libXtst, the X Record extension :

Insufficient validation of data from the X server can cause out of boundary memory access or endless loops (Denial of Service).

For Debian 7 'Wheezy', these problems have been fixed in version 2:1.2.1-1+deb7u2.

We recommend that you upgrade your libxtst 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.

This update for the X Window System client libraries fixes a class of privilege escalation issues.

A malicious X Server could send specially crafted data to X clients, which allowed for triggering crashes, or privilege escalation if this relationship was untrusted or crossed user or permission level boundaries.

libX11, libXfixes, libXi, libXrandr, libXrender, libXtst, libXv, libXvMC were fixed, specifically :

libX11 :

  - CVE-2016-7942: insufficient validation of data from the     X server allowed out of boundary memory read     (bsc#1002991)

libXfixes :

  - CVE-2016-7944: insufficient validation of data from the     X server can cause an integer overflow on 32 bit     architectures (bsc#1002995)

libXi :

  - CVE-2016-7945, CVE-2016-7946: insufficient validation of     data from the X server can cause out of boundary memory     access or endless loops (Denial of Service)     (bsc#1002998)

libXtst :

  - CVE-2016-7951, CVE-2016-7952: insufficient validation of     data from the X server can cause out of boundary memory     access or endless loops (Denial of Service)     (bsc#1003012)

libXv :

  - CVE-2016-5407: insufficient validation of data from the     X server can cause out of boundary memory and memory     corruption (bsc#1003017)

libXvMC :

  - CVE-2016-7953: insufficient validation of data from the     X server can cause a one byte buffer read underrun     (bsc#1003023)

libXrender :

  - CVE-2016-7949, CVE-2016-7950: insufficient validation of     data from the X server can cause out of boundary memory     writes (bsc#1003002)

libXrandr :

  - CVE-2016-7947, CVE-2016-7948: insufficient validation of     data from the X server can cause out of boundary memory     writes (bsc#1003000)

This update was imported from the SUSE:SLE-12:Update update project.

ID	Name	Product	Family	Severity
199344	RHEL 7 : libxtst (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	critical
199326	RHEL 5 : libxtst (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	critical
199304	RHEL 6 : libxtst (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	critical
196697	RHEL 5 : libxtst (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	critical
196691	RHEL 7 : libxtst (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	critical
196658	RHEL 6 : libxtst (Unpatched Vulnerability) (deprecated)	Nessus	Red Hat Local Security Checks	critical
140955	EulerOS Virtualization for ARM 64 3.0.6.0 : libXtst (EulerOS-SA-2020-2007)	Nessus	Huawei Local Security Checks	critical
133744	EulerOS 2.0 SP2 : libXtst (EulerOS-SA-2020-1093)	Nessus	Huawei Local Security Checks	critical
96034	SUSE SLES11 Security Update : xorg-x11-libs (SUSE-SU-2016:3189-1)	Nessus	SuSE Local Security Checks	critical
95646	openSUSE Security Update : libXtst (openSUSE-2016-1422)	Nessus	SuSE Local Security Checks	critical
94939	SUSE SLED12 / SLES12 Security Update : X Window System client libraries (SUSE-SU-2016:2828-1)	Nessus	SuSE Local Security Checks	critical
94874	Fedora 25 : libXtst (2016-e6ba110670)	Nessus	Fedora Local Security Checks	critical
94488	Fedora 23 : libXtst (2016-b26b497381)	Nessus	Fedora Local Security Checks	critical
94439	Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / 14.2 / current : x11 (SSA:2016-305-02)	Nessus	Slackware Local Security Checks	critical
94300	Debian DLA-686-1 : libxtst security update	Nessus	Debian Local Security Checks	critical
94220	openSUSE Security Update : X Window System client libraries (openSUSE-2016-1214)	Nessus	SuSE Local Security Checks	critical
94036	SUSE SLED12 / SLES12 Security Update : X Window System client libraries (SUSE-SU-2016:2505-1)	Nessus	SuSE Local Security Checks	critical
93928	Fedora 24 : libXtst (2016-c1d4b1df79)	Nessus	Fedora Local Security Checks	critical

Detections

Analytics

CVE-2016-7952

high

Tenable Plugins

critical

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