X.Org libXv up to 1.0.7 Graphical Library XvQueryPortAttributes memory corruption

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8.6$0-$5k0.00

A vulnerability was found in X.Org libXv up to 1.0.7. It has been rated as critical. Affected by this issue is the function XvQueryPortAttributes of the component Graphical Library. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in X.org libXv 1.0.7 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the XvQueryPortAttributes function.

The weakness was disclosed 05/23/2013 by Ilja van Sprundel with IOActive as not defined advisory (Website). The advisory is available at x.org. The public release has been coordinated in cooperation with the vendor. This vulnerability is handled as CVE-2013-2066 since 02/19/2013. The exploitation is known to be difficult. The attack may be launched remotely. Required for exploitation is a simple authentication. Technical details as well as a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 66558 (Debian DSA-2674-1 : libxv - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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 1.0.8 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 (84509) and Tenable (66558). The entries 8875, 8876, 8877 and 8878 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 66558
Nessus Name: Debian DSA-2674-1 : libxv - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892674
OpenVAS Name: Debian Security Advisory DSA 2674-1 (libxv - several vulnerabilities
OpenVAS File: 🔍
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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libXv 1.0.8
Patch: cgit.freedesktop.org

Timelineinfo

02/19/2013 🔍
05/07/2013 +77 days 🔍
05/23/2013 +16 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 🔍
05/14/2021 +2890 days 🔍

Sourcesinfo

Vendor: x.org

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

CVE: CVE-2013-2066 (🔍)
OVAL: 🔍

X-Force: 84509
Vulnerability Center: 39919 - libXv Through 1.0.7 Remote Code Execution due to Buffer Overflow in XvQueryPortAttributes(), Medium
SecurityFocus: 60143 - X.Org libXv 'XvQueryPortAttributes()' Function Remote Code Execution Vulnerability
Secunia: 53497 - Debian update for libxv, Less Critical
OSVDB: 93659

See also: 🔍

Entryinfo

Created: 05/27/2013 17:39
Updated: 05/14/2021 07:24
Changes: 05/27/2013 17:39 (83), 05/02/2017 08:29 (4), 05/14/2021 07:24 (3)
Complete: 🔍

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