X.Org libXrandr up to 1.4.0 Graphical Library numeric error

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8.6$0-$5k0.00

A vulnerability, which was classified as critical, was found in X.Org libXrandr up to 1.4.0. This affects the function XRRQueryOutputProperty/XRRQueryProviderProperty/XRRQueryProviderProperty of the component Graphical Library. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in X.org libXrandr 1.4.0 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XRRQueryOutputProperty and (2) XRRQueryProviderProperty functions.

The weakness was published 05/23/2013 by Ilja van Sprundel with IOActive as not defined advisory (Website). It is possible to read the advisory at x.org. The public release has been coordinated with X.Org. This vulnerability is uniquely identified as CVE-2013-1986 since 02/19/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Technical details and a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 75041 (openSUSE Security Update : libXrandr (openSUSE-SU-2013:1028-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350250 (Amazon Linux Security Advisory for libX11,libXcursor,libXfixes,libXi,libXrandr,libXrender,libXres,libXt,libXv,libXvMC,libXxf86dga,libXxf86vm,libdmx,xorg-x11-proto-devel: ALAS-2014-452).

Upgrading to version 1.4.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freedesktop.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (84505) and Tenable (75041). Similar entries are available at 8875, 8876, 8877 and 8878.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 8.6

VulDB Base Score: 9.9
VulDB Temp Score: 8.6
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VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

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Current Price Estimation: 🔍

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Nessus ID: 75041
Nessus Name: openSUSE Security Update : libXrandr (openSUSE-SU-2013:1028-1)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Port: 🔍

OpenVAS ID: 892684
OpenVAS Name: Debian Security Advisory DSA 2684-1 (libxrandr - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libXrandr 1.4.1
Patch: cgit.freedesktop.org

Timelineinfo

02/19/2013 🔍
05/05/2013 +75 days 🔍
05/23/2013 +18 days 🔍
05/23/2013 +0 days 🔍
05/23/2013 +0 days 🔍
05/24/2013 +1 days 🔍
05/27/2013 +3 days 🔍
06/10/2013 +14 days 🔍
06/15/2013 +5 days 🔍
06/13/2014 +363 days 🔍
05/14/2021 +2527 days 🔍

Sourcesinfo

Vendor: x.org

Advisory: x.org
Researcher: Ilja van Sprundel
Organization: IOActive
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1986 (🔍)
OVAL: 🔍

X-Force: 84505
Vulnerability Center: 39923 - libXrandr Through 1.4.0 Remote Code Execution due to Integer Overflow in XRRQueryOutputProperty() and RRQueryProviderProperty(), Medium
SecurityFocus: 60129 - X.Org libXrandr CVE-2013-1986 Multiple Remote Code Execution Vulnerabilities
Secunia: 53509 - Debian update for libxrandr, Less Critical
OSVDB: 93672

See also: 🔍

Entryinfo

Created: 05/27/2013 17:51
Updated: 05/14/2021 08:22
Changes: 05/27/2013 17:51 (85), 05/02/2017 08:30 (4), 05/14/2021 08:22 (3)
Complete: 🔍

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