Pidgin up to 2.10.7 Gadu-Gadu HTTP Response numeric error

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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Pidgin up to 2.10.7. It has been rated as critical. The affected element is an unknown function of the component Gadu-Gadu. Performing a manipulation as part of HTTP Response results in numeric error. This vulnerability is reported as CVE-2013-6487. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Pidgin up to 2.10.7 (Messaging Software). This affects an unknown function of the component Gadu-Gadu. The manipulation as part of a HTTP Response leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in libpurple/protocols/gg/lib/http.c in the Gadu-Gadu (gg) parser in Pidgin before 2.10.8 allows remote attackers to have an unspecified impact via a large Content-Length value, which triggers a buffer overflow.

The weakness was disclosed 01/28/2014 by Yves Younan and Ryan Pentney with Sourcefire as Buffer overflow in Gadu-Gadu HTTP parsing as not defined advisory (Website). The advisory is shared at pidgin.im. This vulnerability is uniquely identified as CVE-2013-6487 since 11/04/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price 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 72563 (Mandriva Linux Security Advisory : libgadu (MDVSA-2014:039)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva 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 (90823), Tenable (72563), SecurityFocus (BID 65188†), OSVDB (102625†) and Secunia (SA56693†). Further details are available at linux-magazin.de. The entries VDB-12106, VDB-12107, VDB-12108 and VDB-12109 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 72563
Nessus Name: Mandriva Linux Security Advisory : libgadu (MDVSA-2014:039)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702852
OpenVAS Name: Debian Security Advisory DSA 2852-1 (libgadu - heap-based buffer overflow
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 🔍
02/19/2014 +13 days 🔍
06/08/2021 +2666 days 🔍

Sourcesinfo

Advisory: Buffer overflow in Gadu-Gadu HTTP parsing
Researcher: Yves Younan, Ryan Pentney
Organization: Sourcefire
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-6487 (🔍)
GCVE (CVE): GCVE-0-2013-6487
GCVE (VulDB): GCVE-100-12117

OVAL: 🔍

X-Force: 90823
SecurityFocus: 65188 - Pidgin 'gg_http_watch_fd()' Function Buffer Overflow Vulnerability
Secunia: 56693 - Pidgin Multiple Vulnerabilities, Highly Critical
OSVDB: 102625
Vulnerability Center: 43164 - Pidgin Prior to 2.10.8 Remote Code Execution Vulnerability via a Large Value for the Content-Length - CVE-2013-6487, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 01/31/2014 10:18
Updated: 06/08/2021 20:23
Changes: 01/31/2014 10:18 (84), 05/20/2017 10:26 (5), 06/08/2021 20:23 (2)
Complete: 🔍
Cache ID: 216:66B:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!