Pidgin 2.10.7 HTTP Response resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Pidgin 2.10.7. This affects an unknown function of the component HTTP Response Handler. The manipulation results in resource management. This vulnerability was named CVE-2013-6479. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Pidgin 2.10.7 (Messaging Software). Affected is an unknown code block of the component HTTP Response Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

util.c in libpurple in Pidgin before 2.10.8 does not properly allocate memory for HTTP responses that are inconsistent with the Content-Length header, which allows remote HTTP servers to cause a denial of service (application crash) via a crafted response.

The weakness was presented 01/28/2014 by Jacob Appelbaum with Tor Project as Remote crash parsing HTTP responses as confirmed advisory (Website). The advisory is shared for download at pidgin.im. This vulnerability is traded as CVE-2013-6479 since 11/04/2013. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

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 175276 (Debian Security Update for pidgin (DSA-2859-1)).

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 (91303), Tenable (72352), OSVDB (102616†) and Vulnerability Center (SBV-43173†). Further details are available at linux-magazin.de. See VDB-12106, VDB-12107, VDB-12109 and VDB-12110 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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 🔍
01/28/2014 +85 days 🔍
01/28/2014 +0 days 🔍
01/31/2014 +3 days 🔍
02/04/2014 +4 days 🔍
02/06/2014 +2 days 🔍
02/06/2014 +0 days 🔍
06/08/2021 +2679 days 🔍

Sourcesinfo

Advisory: Remote crash parsing HTTP responses
Researcher: Jacob Appelbaum
Organization: Tor Project
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6479 (🔍)
GCVE (CVE): GCVE-0-2013-6479
GCVE (VulDB): GCVE-100-12108

OVAL: 🔍

X-Force: 91303 - Pidgin util.c denial of service, Medium Risk
OSVDB: 102616
Vulnerability Center: 43173 - Pidgin Prior to 2.10.8 Remote DoS Vulnerability via a Specially Crafted HTTP Response - CVE-2013-6479, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/31/2014 10:17
Updated: 06/08/2021 19:24
Changes: 01/31/2014 10:17 (79), 05/20/2017 10:28 (2), 06/08/2021 19:24 (3)
Complete: 🔍
Cache ID: 216:CD8:103

Once again VulDB remains the best source for vulnerability data.

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