Critical severity9.8NVD Advisory· Published Jun 22, 2017· Updated Jun 16, 2026
CVE-2012-6706
CVE-2012-6706
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].
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
48cpe:2.3:a:sophos:threat_detection_engine:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:sophos:threat_detection_engine:*:*:*:*:*:*:*:*range: <=3.36.2
- (no CPE)range: <3.37.2
- Range: <5.5.5
- osv-coords44 versionspkg:rpm/opensuse/clamav&distro=openSUSE%20Tumbleweedpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/clamav&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/unrar&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/unrar&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/unrar&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/unrar&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/unrar&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 0.103.3-1.4+ 43 more
- (no CPE)range: < 0.103.3-1.4
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.4-33.9.1
- (no CPE)range: < 0.99.2-0.19.1
- (no CPE)range: < 0.99.2-0.19.1
- (no CPE)range: < 0.99.2-0.19.1
- (no CPE)range: < 0.99.2-0.19.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.4-33.9.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.2-0.19.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.2-32.1
- (no CPE)range: < 0.99.4-33.9.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 3.80.2-4.1
- (no CPE)range: < 3.80.2-4.1
- (no CPE)range: < 3.80.2-4.1
- (no CPE)range: < 3.80.2-4.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 3.80.2-4.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.0.14-3.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
- (no CPE)range: < 5.6.1-4.5.1
Patches
Vulnerability mechanics
References
10- bugs.chromium.org/p/project-zero/issues/detailnvdExploitThird Party Advisory
- securitytracker.com/idnvdThird Party Advisory
- telussecuritylabs.com/threats/show/TSL20121207-01nvdThird Party Advisory
- community.sophos.com/kb/en-us/118424nvdVendor Advisory
- lock.cmpxchg8b.com/sophailv2.pdfnvdThird Party Advisory
- nakedsecurity.sophos.com/2012/11/05/tavis-ormandy-sophos/nvdVendor Advisory
- kc.mcafee.com/corporate/indexnvd
- security.gentoo.org/glsa/201708-05nvd
- security.gentoo.org/glsa/201709-24nvd
- security.gentoo.org/glsa/201804-16nvd
News mentions
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