Pidgin 2.10.7 Yahoo! Protocol Plugin Non-UTF-8 String input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Pidgin 2.10.7. Affected is an unknown function of the component Yahoo! Protocol Plugin. This manipulation as part of Non-UTF-8 String causes input validation. This vulnerability is handled as CVE-2012-6152. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Pidgin 2.10.7 (Messaging Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Yahoo! Protocol Plugin. The manipulation as part of a Non-UTF-8 String leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect availability. The summary by CVE is:
The Yahoo! protocol plugin in libpurple in Pidgin before 2.10.8 does not properly validate UTF-8 data, which allows remote attackers to cause a denial of service (application crash) via crafted byte sequences.
The weakness was released 01/28/2014 by Thijs Alkemade and Robert Vehse with Coverity static analysis as Yahoo! remote crash from incorrect character encoding as confirmed advisory (Website). The advisory is shared at pidgin.im. This vulnerability is known as CVE-2012-6152 since 12/06/2012. 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 vulnerability scanner Nessus provides a plugin with the ID 72364 (RHEL 5 / 6 : pidgin (RHSA-2014:0139)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166900 (SUSE Enterprise Linux Security Update for finch (SUSE-SU-2014:0702-1)).
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 (91299), Tenable (72364), SecurityFocus (BID 57951†), OSVDB (102629†) and Vulnerability Center (SBV-43176†). Additional details are provided at linux-magazin.de. Entries connected to this vulnerability are available at VDB-7732, VDB-7733, VDB-12106 and VDB-12107. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 72364
Nessus Name: RHEL 5 / 6 : pidgin (RHSA-2014:0139)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 881871
OpenVAS Name: CentOS Update for finch CESA-2014:0139 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Pidgin 2.10.8
Timeline
12/06/2012 🔍02/13/2013 🔍
01/28/2014 🔍
01/28/2014 🔍
01/31/2014 🔍
02/04/2014 🔍
02/06/2014 🔍
02/06/2014 🔍
02/06/2014 🔍
06/08/2021 🔍
Sources
Advisory: Yahoo! remote crash from incorrect character encodingResearcher: Thijs Alkemade, Robert Vehse
Organization: Coverity static analysis
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2012-6152 (🔍)
GCVE (CVE): GCVE-0-2012-6152
GCVE (VulDB): GCVE-100-12121
OVAL: 🔍
X-Force: 91299 - Pidgin Yahoo! protocol plugin denial of service, Medium Risk
SecurityFocus: 57951 - Pidgin 'libpurple' CVE-2013-0272 HTTP Header Stack Buffer Overflow Vulnerability
OSVDB: 102629
Vulnerability Center: 43176 - Pidgin Prior to 2.10.8 Remote DoS Vulnerability due to an Error in the Yahoo! Protocol Plugin - CVE-2012-6152, Medium
Misc.: 🔍
See also: 🔍
Entry
Created: 01/31/2014 10:18Updated: 06/08/2021 20:54
Changes: 01/31/2014 10:18 (83), 05/20/2017 10:29 (5), 06/08/2021 20:54 (3)
Complete: 🔍
Cache ID: 216:C67:103
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