Pidgin up to 2.11.x out-of-bounds write

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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Pidgin up to 2.11.x. This affects an unknown part. This manipulation causes out-of-bounds write. This vulnerability is handled as CVE-2017-2640. 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 up to 2.11.x (Messaging Software) and classified as very critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remote server could potentially use this flaw to crash Pidgin or execute arbitrary code in the context of the pidgin process.

The bug was discovered 03/20/2017. The weakness was released 03/15/2017 as [slackware-security] pidgin (SSA:2017-074-01) as not defined mailinglist post (Bugtraq). The advisory is shared at seclists.org. This vulnerability is known as CVE-2017-2640 since 12/01/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 08/19/2020).

The vulnerability scanner Nessus provides a plugin with the ID 99151 (openSUSE Security Update : pidgin (openSUSE-2017-410)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169915 (OpenSUSE Security Update for pidgin (openSUSE-SU-2017:0925-1)).

Upgrading to version 2.12.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99151) and SecurityFocus (BID 96775†). Entries connected to this vulnerability are available at VDB-68054 and VDB-68057. 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: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 99151
Nessus Name: openSUSE Security Update : pidgin (openSUSE-2017-410)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 871165
OpenVAS Name: RedHat Update for pidgin RHSA-2017:1854-01
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 2.12.0

Timelineinfo

12/01/2016 🔍
03/09/2017 +98 days 🔍
03/15/2017 +6 days 🔍
03/15/2017 +0 days 🔍
03/17/2017 +2 days 🔍
03/20/2017 +3 days 🔍
04/03/2017 +14 days 🔍
07/27/2018 +479 days 🔍
08/19/2020 +754 days 🔍

Sourcesinfo

Advisory: [slackware-security] pidgin (SSA:2017-074-01)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2640 (🔍)
GCVE (CVE): GCVE-0-2017-2640
GCVE (VulDB): GCVE-100-98221

OVAL: 🔍

SecurityFocus: 96775 - Pidgin CVE 2017-2640 Out of Bounds Write Security Vulnerability
OSVDB: - CVE-2017-2640 - Pidgin - Out-of-Bounds Write Issue

See also: 🔍

Entryinfo

Created: 03/17/2017 08:23
Updated: 08/19/2020 15:01
Changes: 03/17/2017 08:23 (75), 08/19/2020 15:01 (6)
Complete: 🔍
Cache ID: 216:35D: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.

Do you need the next level of professionalism?

Upgrade your account now!