Pidgin MXIT Protocol null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Pidgin. The impacted element is an unknown function of the component MXIT Protocol Handler. The manipulation results in null pointer dereference. This vulnerability was named CVE-2016-2365. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Pidgin (Messaging Software) (unknown version). Affected is an unknown code block of the component MXIT Protocol Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

A denial of service vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in a null pointer dereference. A malicious server or an attacker who intercepts the network traffic can send invalid data to trigger this vulnerability and cause a crash.

The bug was discovered 06/21/2016. The weakness was presented 01/06/2017 by Yves Younan with Cisco Talos (Website). The advisory is available at debian.org. This vulnerability is traded as CVE-2016-2365 since 02/12/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not 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 175786 (Debian Security Update for pidgin (DSA 3620-1)).

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†). See VDB-91844, VDB-91845, VDB-91846 and VDB-91847 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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-2016-2365 (🔍)
GCVE (CVE): GCVE-0-2016-2365
GCVE (VulDB): GCVE-100-95058

OVAL: 🔍

SecurityFocus: 91335 - Pidgin Multiple Security Vulnerabilities
OSVDB: - CVE-2016-2365 - Pidgin - MXIT Denial of Service Issue

See also: 🔍

Entryinfo

Created: 01/07/2017 12:49
Updated: 04/20/2025 04:06
Changes: 01/07/2017 12:49 (71), 07/15/2020 12:47 (10), 10/27/2022 17:10 (4), 04/20/2025 04:06 (17)
Complete: 🔍
Cache ID: 216::103

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