X11 up to R7.6 XDMCP xrdb.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in X11. This affects an unknown function of the file xrdb.c of the component XDMCP. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2011-0465. There is not any exploit available.

Detailsinfo

A vulnerability was found in X11 (Windowing System Software). It has been classified as very critical. This affects some unknown processing of the file xrdb.c of the component XDMCP. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.

The weakness was released 04/08/2011 by Sebastian Krahmer with SuSE Security Team as Bug 680196 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2011-0465. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD at the moment (estimation calculated on 01/19/2025).

The vulnerability scanner Nessus provides a plugin with the ID 68253 (Oracle Linux 4 : xorg-x11 (ELSA-2011-0432)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165179 (SUSE Security Update for xorg-x11 (SUSE-SA:2011:016)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (66585), Tenable (68253), SecurityFocus (BID 47189†), SecurityTracker (ID 1025317†) and Vulnerability Center (SBV-30981†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Input validation
CWE: CWE-20
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: 68253
Nessus Name: Oracle Linux 4 : xorg-x11 (ELSA-2011-0432)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69557
OpenVAS Name: Debian Security Advisory DSA 2213-1 (x11-xserver-utils)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: cgit.freedesktop.org

Timelineinfo

01/14/2011 🔍
04/05/2011 +81 days 🔍
04/06/2011 +1 days 🔍
04/08/2011 +2 days 🔍
04/08/2011 +0 days 🔍
04/11/2011 +3 days 🔍
07/12/2013 +823 days 🔍
03/20/2015 +616 days 🔍
01/19/2025 +3593 days 🔍

Sourcesinfo

Advisory: Bug 680196
Researcher: Sebastian Krahmer
Organization: SuSE Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0465 (🔍)
GCVE (CVE): GCVE-0-2011-0465
GCVE (VulDB): GCVE-100-57021

OVAL: 🔍

X-Force: 66585
SecurityFocus: 47189 - X.Org xrdb Remote Arbitrary Shell Command Injection Vulnerability
Secunia: 44010
SecurityTracker: 1025317
Vulnerability Center: 30981 - Xrdb before 1.0.9 in X.Org X11R7.6 and Earlier Remote Arbitrary Code Execution Vulnerability, High

Entryinfo

Created: 03/20/2015 16:16
Updated: 01/19/2025 02:27
Changes: 03/20/2015 16:16 (61), 03/20/2017 15:23 (11), 10/21/2021 19:38 (6), 10/21/2021 19:46 (1), 12/01/2024 17:31 (21), 01/19/2025 02:27 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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