Pidgin 2.10.7 HTTP Response Content-Length memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.08

Summaryinfo

A vulnerability identified as critical has been detected in Pidgin 2.10.7. This affects an unknown function of the component HTTP Response Handler. The manipulation of the argument Content-Length as part of Negative Value leads to memory corruption. This vulnerability is traded as CVE-2013-6490. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Pidgin 2.10.7 (Messaging Software) and classified as very critical. This issue affects some unknown functionality of the component HTTP Response Handler. The manipulation of the argument Content-Length as part of a Negative Value leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have an unspecified impact via a negative Content-Length header, which triggers a buffer overflow.

The weakness was shared 01/28/2014 by Yves Younan with Sourcefire as Buffer overflow in SIMPLE header parsing as not defined advisory (Website). It is possible to read the advisory at pidgin.im. The identification of this vulnerability is CVE-2013-6490 since 11/04/2013. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/08/2021).

The vulnerability scanner Nessus provides a plugin with the ID 72352 (CentOS 5 / 6 : pidgin (CESA-2014:0139)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122899 (Debian Security Update for pidgin (DSA 2859-2)).

Upgrading to version 2.10.8 eliminates this vulnerability. The upgrade is hosted for download at hg.pidgin.im. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (90826), Tenable (72352), SecurityFocus (BID 65195†), OSVDB (102627†) and Secunia (SA56693†). linux-magazin.de is providing further details. The entries VDB-12106, VDB-12107, VDB-12108 and VDB-12109 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 72352
Nessus Name: CentOS 5 / 6 : pidgin (CESA-2014:0139)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 702859
OpenVAS Name: Debian Security Advisory DSA 2859-1 (pidgin - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Pidgin 2.10.8

Timelineinfo

11/04/2013 🔍
01/27/2014 +84 days 🔍
01/27/2014 +0 days 🔍
01/28/2014 +1 days 🔍
01/28/2014 +0 days 🔍
01/30/2014 +2 days 🔍
01/31/2014 +1 days 🔍
02/05/2014 +5 days 🔍
02/06/2014 +1 days 🔍
06/08/2021 +2679 days 🔍

Sourcesinfo

Advisory: Buffer overflow in SIMPLE header parsing
Researcher: Yves Younan
Organization: Sourcefire
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-6490 (🔍)
GCVE (CVE): GCVE-0-2013-6490
GCVE (VulDB): GCVE-100-12119

OVAL: 🔍

X-Force: 90826
SecurityFocus: 65195 - Pidgin 'sipmsg_parse_header()' Function Buffer Overflow Vulnerability
Secunia: 56693 - Pidgin Multiple Vulnerabilities, Highly Critical
OSVDB: 102627
Vulnerability Center: 43162 - Pidgin Prior to 2.10.8 Remote Code Execution Vulnerability in SIMPLE Header Parsing - CVE-2013-6490, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/31/2014 10:18
Updated: 06/08/2021 20:39
Changes: 01/31/2014 10:18 (83), 05/20/2017 10:26 (5), 06/08/2021 20:39 (2)
Complete: 🔍
Cache ID: 216:09B:103

Be aware that VulDB is the high quality source for vulnerability data.

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