XFree86/X11 up to 6.7 SProcXFixesSelectSelectionInput 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 was found in XFree86 and X11. It has been classified as critical. Affected by this vulnerability is the function SProcXFixesSelectSelectionInput. This manipulation causes memory corruption. This vulnerability appears as CVE-2014-8102. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in XFree86 and X11 (Windowing System Software) and classified as critical. Affected by this vulnerability is the function SProcXFixesSelectSelectionInput. 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 SProcXFixesSelectSelectionInput function in the XFixes extension in X.Org X Window System (aka X11 or X) X11R6.8.0 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 value.

The weakness was presented 12/10/2014 by Ilja van Sprundel with IOActive (Website). It is possible to read the advisory at x.org. This vulnerability is known as CVE-2014-8102 since 10/10/2014. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

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 6.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (99228), Tenable (80557), SecurityFocus (BID 71608†), Secunia (SA62292†) and Vulnerability Center (SBV-51356†). See VDB-68379, VDB-68380, VDB-73184 and VDB-73182 for similar entries. 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 6.8

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
Organization: IOActive
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8102 (🔍)
GCVE (CVE): GCVE-0-2014-8102
GCVE (VulDB): GCVE-100-73183

OVAL: 🔍

X-Force: 99228
SecurityFocus: 71608 - X.Org X Server CVE-2014-8102 Out of Bounds Denial of Service Vulnerability
Secunia: 62292
Vulnerability Center: 51356 - X.Org X Window System and X.Org Server Remote DoS and Code Execution via a crafted length value - CVE-2014-8102, 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 10:39 (7), 04/07/2022 15:43 (4), 08/29/2025 15:49 (18)
Complete: 🔍
Cache ID: 216:F11:103

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