pidgin up to 2.5.2 gtkconv.c pidgin_conv_chat_rename_user access control

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in pidgin up to 2.5.2. Affected is the function pidgin_conv_chat_rename_user of the file gtkconv.c. This manipulation causes access control. This vulnerability appears as CVE-2011-4939. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in pidgin up to 2.5.2 (Messaging Software). It has been declared as critical. Affected by this vulnerability is the function pidgin_conv_chat_rename_user of the file gtkconv.c. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity, and availability. The summary by CVE is:

The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room.

The weakness was presented 03/15/2012 by Thijs Alkemade (Website). The advisory is shared at pidgin.im. This vulnerability is known as CVE-2011-4939 since 12/23/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 58410 (Pidgin < 2.10.2 Multiple DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120535 (Solaris Multiple Vulnerabilities in Pidgin).

Upgrading to version 2.5.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (73996), Tenable (58410), SecurityFocus (BID 52475†) and Vulnerability Center (SBV-34778†). See VDB-4402, VDB-55936, VDB-56831 and VDB-61515 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Access control
CWE: CWE-264
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: 58410
Nessus Name: Pidgin < 2.10.2 Multiple DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 831594
OpenVAS Name: Mandriva Update for pidgin MDVSA-2012:029 (pidgin)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: pidgin 2.5.3

Timelineinfo

12/23/2011 🔍
03/14/2012 +82 days 🔍
03/15/2012 +1 days 🔍
03/15/2012 +0 days 🔍
03/15/2012 +0 days 🔍
03/21/2012 +6 days 🔍
04/02/2012 +12 days 🔍
03/23/2015 +1085 days 🔍
11/30/2021 +2444 days 🔍

Sourcesinfo

Advisory: 14392
Researcher: Thijs Alkemade
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4939 (🔍)
GCVE (CVE): GCVE-0-2011-4939
GCVE (VulDB): GCVE-100-60433

OVAL: 🔍

X-Force: 73996
SecurityFocus: 52475 - Pidgin 'msn_oim_report_to_user()' Denial of Service Vulnerability
Vulnerability Center: 34778 - Pidgin Before \x27gtkconv.c\x27 Remote DoS via Changing a Nickname in an XMPP Chat Room, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/30/2021 16:15
Changes: 03/23/2015 16:50 (64), 04/10/2017 17:58 (11), 11/30/2021 16:08 (3), 11/30/2021 16:15 (1)
Complete: 🔍
Cache ID: 216:C33:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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