CVE-2012-6706 Detail

Current Description

A VMSF_DELTA memory corruption was discovered in unrar before 5.5.5, as used in Sophos Anti-Virus Threat Detection Engine before 3.37.2 and other products, that can lead to arbitrary code execution. An integer overflow can be caused in DataSize+CurChannel. The result is a negative value of the "DestPos" variable, which allows the attacker to write out of bounds when setting Mem[DestPos].


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://securitytracker.com/id?1027725 Third Party Advisory 
http://telussecuritylabs.com/threats/show/TSL20121207-01 Third Party Advisory 
https://bugs.chromium.org/p/project-zero/issues/detail?id=1286 Exploit  Third Party Advisory 
https://community.sophos.com/kb/en-us/118424#six Vendor Advisory 
https://kc.mcafee.com/corporate/index?page=content&id=SB10205
https://lock.cmpxchg8b.com/sophailv2.pdf Third Party Advisory 
https://nakedsecurity.sophos.com/2012/11/05/tavis-ormandy-sophos/ Vendor Advisory 
https://security.gentoo.org/glsa/201708-05
https://security.gentoo.org/glsa/201709-24
https://security.gentoo.org/glsa/201804-16

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-6706
NVD Published Date:
06/22/2017
NVD Last Modified:
10/21/2018
Source:
MITRE