VDB-61515 · CVE-2011-4922 · BID 46307

Pidgin up to 2.5.2 Encryption cipher.c information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8	$0-$5k	0.00

A vulnerability classified as problematic has been found in Pidgin up to 2.5.2 (Messaging Software). This affects some unknown processing of the file cipher.c of the component Encryption. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

cipher.c in the Cipher API in libpurple in Pidgin before 2.7.10 retains encryption-key data in process memory, which might allow local users to obtain sensitive information by reading a core file or other representation of memory contents.

The weakness was published 08/08/2012 (Website). It is possible to read the advisory at hg.pidgin.im. This vulnerability is uniquely identified as CVE-2011-4922 since 12/23/2011. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 52042 (Pidgin < 2.7.10 Information Disclosure), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. 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. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (52042). Similar entries are available at 4402, 55936, 56831 and 60433.

Productinfo

Type

Messaging Software

Name

Pidgin

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 52042
Nessus Name: Pidgin < 2.7.10 Information Disclosure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802935
OpenVAS Name: Pidgin Libpurple Cipher API Information Disclosure Vulnerability (Windows)
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

02/06/2011 🔍
02/21/2011 +15 days 🔍
12/23/2011 +305 days 🔍
08/08/2012 +229 days 🔍
08/08/2012 +0 days 🔍
03/23/2015 +957 days 🔍
12/07/2021 +2451 days 🔍

Sourcesinfo

Advisory: hg.pidgin.im
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4922 (🔍)
OVAL: 🔍

SecurityFocus: 46307
Secunia: 43271

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/07/2021 13:44
Changes: 03/23/2015 16:50 (65), 04/23/2019 11:57 (2), 12/07/2021 13:44 (3)
Complete: 🔍