Pidgin MXIT Protocol out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Pidgin and classified as critical. This affects an unknown part of the component MXIT Protocol Handler. The manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2016-2371. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Pidgin (Messaging Software) (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the component MXIT Protocol Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An out-of-bounds write vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could cause memory corruption resulting in code execution.

The bug was discovered 06/21/2016. The weakness was shared 01/06/2017 by Yves Younan with Cisco Talos (Website). The advisory is shared for download at debian.org. This vulnerability is traded as CVE-2016-2371 since 02/12/2016. 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 was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 91922 (Debian DLA-542-1 : pidgin security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370081 (Pidgin Multiple Security Vulnerabilities).

Upgrading 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 databases at Tenable (91922) and SecurityFocus (BID 91335†). The entries VDB-91844, VDB-91845, VDB-91846 and VDB-91847 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 91922
Nessus Name: Debian DLA-542-1 : pidgin security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 864034
OpenVAS Name: Ubuntu Update for pidgin USN-3031-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/12/2016 🔍
06/21/2016 +130 days 🔍
06/21/2016 +0 days 🔍
07/04/2016 +13 days 🔍
07/05/2016 +1 days 🔍
01/06/2017 +185 days 🔍
01/06/2017 +0 days 🔍
01/07/2017 +1 days 🔍
04/20/2025 +3025 days 🔍

Sourcesinfo

Advisory: USN-3031-1
Researcher: Yves Younan
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2371 (🔍)
GCVE (CVE): GCVE-0-2016-2371
GCVE (VulDB): GCVE-100-95064

OVAL: 🔍

SecurityFocus: 91335 - Pidgin Multiple Security Vulnerabilities
OSVDB: - CVE-2016-2371 - Pidgin - MXIT Out-of-Bounds Write Issue

See also: 🔍

Entryinfo

Created: 01/07/2017 12:49
Updated: 04/20/2025 06:02
Changes: 01/07/2017 12:49 (71), 07/15/2020 14:38 (10), 10/27/2022 17:54 (3), 04/20/2025 06:02 (17)
Complete: 🔍
Cache ID: 216::103

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