XFree86/X11 1.16.2 SProcXCMiscGetXIDList memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in XFree86 and X11. Impacted is the function SProcXCMiscGetXIDList. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2014-8096. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in XFree86 and X11 (Windowing System Software). It has been declared as critical. Affected by this vulnerability is the function SProcXCMiscGetXIDList. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The SProcXCMiscGetXIDList function in the XC-MISC extension in X.Org X Window System (aka X11 or X) X11R6.0 and X.Org Server (aka xserver and xorg-server) before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value.

The weakness was disclosed 12/10/2014 by Ilja van Sprundel (Website). The advisory is shared at x.org. This vulnerability is known as CVE-2014-8096 since 10/10/2014. The exploitation appears to be easy. The attack can be launched remotely. Required for exploitation is a single authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 80557 (Amazon Linux AMI : xorg-x11-server (ALAS-2015-470)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350232 (Amazon Linux Security Advisory for xorg-x11-server: ALAS-2015-470).

Upgrading to version 1.16.2.99.901 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (99222), Tenable (80557), SecurityFocus (BID 71598†), Secunia (SA62292†) and Vulnerability Center (SBV-51362†). The entries VDB-68379, VDB-68380, VDB-73184 and VDB-73183 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 80557
Nessus Name: Amazon Linux AMI : xorg-x11-server (ALAS-2015-470)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703095
OpenVAS Name: Debian Security Advisory DSA 3095-1 (xorg-server - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: XFree86/X11 1.16.2.99.901

Timelineinfo

10/10/2014 🔍
12/10/2014 +61 days 🔍
12/10/2014 +0 days 🔍
12/10/2014 +0 days 🔍
03/27/2015 +107 days 🔍
07/14/2015 +109 days 🔍
07/16/2015 +2 days 🔍
08/29/2025 +3697 days 🔍

Sourcesinfo

Advisory: RHSA-2014:1983
Researcher: Ilja van Sprundel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8096 (🔍)
GCVE (CVE): GCVE-0-2014-8096
GCVE (VulDB): GCVE-100-73177

OVAL: 🔍

X-Force: 99222
SecurityFocus: 71598 - X.Org X Server CVE-2014-8096 Out of Bounds Read Denial of Service Vulnerability
Secunia: 62292
Vulnerability Center: 51362 - X.Org X Window System X11R6.0 and X.Org Server <1.16.3 Remote DoS and Code Execution in the XC-MISC Extension, Medium

See also: 🔍

Entryinfo

Created: 03/27/2015 14:56
Updated: 08/29/2025 15:49
Changes: 03/27/2015 14:56 (67), 07/13/2017 10:40 (6), 04/07/2022 15:07 (4), 08/29/2025 15:49 (18)
Complete: 🔍
Cache ID: 216:832:103

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