Pidgin MXIT Protocol memory corruption

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

Summaryinfo

A vulnerability marked as critical has been reported in Pidgin. This impacts an unknown function of the component MXIT Protocol Handler. This manipulation with the input -1 causes memory corruption. This vulnerability is handled as CVE-2016-2378. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Pidgin (Messaging Software) (the affected version is unknown) and classified as critical. Affected by this vulnerability is an unknown code of the component MXIT Protocol Handler. The manipulation with the input value -1 leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow vulnerability exists in the handling of the MXIT protocol Pidgin. Specially crafted data sent via the server could potentially result in a buffer overflow, potentially resulting in memory corruption. A malicious server or an unfiltered malicious user can send negative length values to trigger this vulnerability.

The bug was discovered 06/21/2016. The weakness was released 01/06/2017 by Yves Younan with Cisco Talos (Website). It is possible to read the advisory at debian.org. This vulnerability is known as CVE-2016-2378 since 02/12/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

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†). Entries connected to this vulnerability are available at VDB-91844, VDB-91845, VDB-91846 and VDB-91847. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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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: 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-2016-2378 (🔍)
GCVE (CVE): GCVE-0-2016-2378
GCVE (VulDB): GCVE-100-95071

OVAL: 🔍

SecurityFocus: 91335 - Pidgin Multiple Security Vulnerabilities
OSVDB: - CVE-2016-2378 - Pidgin - MXIT Buffer Overflow Issue

See also: 🔍

Entryinfo

Created: 01/07/2017 12:50
Updated: 04/20/2025 07:44
Changes: 01/07/2017 12:50 (72), 07/15/2020 15:26 (10), 10/28/2022 07:17 (3), 04/20/2025 07:44 (17)
Complete: 🔍
Cache ID: 216::103

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