CVE-2012-6706

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Summary

CVECVE-2012-6706
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-06-22 13:29:00 UTC
Updated2018-10-21 10:29:00 UTC
DescriptionA 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].

Risk And Classification

Problem Types: CWE-190

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Rarlab Unrar All All All All
Application Sophos Threat Detection Engine All All All All

References

ReferenceSourceLinkTags
1286 - VMSF_DELTA filter in unrar allows arbitrary memory write - project-zero - Monorail MISC bugs.chromium.org Exploit, Third Party Advisory
RAR and UnRAR: User-assisted execution of arbitrary code (GLSA 201708-05) — Gentoo security GENTOO security.gentoo.org
McAfee Corporate KB - McAfee Security Bulletin - Web Gateway update fixes vulnerabilities CVE-2012-6706, CVE-2017-1000364, CVE-2017-1000366, and CVE-2017-1000368 SB10205 CONFIRM kc.mcafee.com
lock.cmpxchg8b.com/sophailv2.pdf MISC lock.cmpxchg8b.com Third Party Advisory
Sophos Anti-Virus Bugs Let Remote Users Execute Arbitrary Code with Root Privileges and Conduct Cross-Site Scripting Attacks and Let Local Users Gain Elevated Privileges - SecurityTracker MISC securitytracker.com Third Party Advisory
ClamAV: Multiple vulnerabilities (GLSA 201804-16) — Gentoo security GENTOO security.gentoo.org
Sophos products and Tavis Ormandy | Naked Security MISC nakedsecurity.sophos.com Vendor Advisory
RAR, UnRAR: Multiple vulnerabilities (GLSA 201709-24) — Gentoo Security GENTOO security.gentoo.org
Tavis Ormandy finds vulnerabilities in Sophos Anti-Virus products - Sophos Community MISC community.sophos.com Vendor Advisory
Sophos Anti-Virus RAR VMSF_DELTA Filter Signedness Error - TELUS Security Labs MISC telussecuritylabs.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500103 Alpine Linux Security Update for clamav
  • 503827 Alpine Linux Security Update for clamav
  • 710259 Gentoo Linux ClamAV Multiple Vulnerabilities (GLSA 201804-16)
  • 710372 Gentoo Linux RAR, UnRAR Multiple Vulnerabilities (GLSA 201709-24)
  • 710540 Gentoo Linux Kodi Arbitrary code execution Vulnerability (GLSA 201710-21)
  • 710568 Gentoo Linux RAR and UnRAR User-assisted execution of arbitrary code Vulnerability (GLSA 201708-05)
  • 751038 SUSE Enterprise Linux Security Update for unrar (SUSE-SU-2021:2834-1)
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