CVE-2012-6706

https://notcve.org/view.php?id=CVE-2012-6706

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]. Una corrupción de memoria VMSF_DELTA descubierta en unrar versiones anteriores a 5.5.5, utilizada en Sophos Anti-Virus Threat Detection Engine versiones anteriores a 3.37.2 y otros productos, puede permitir la ejecución de código arbitrario. Un desbordamiento de enteros puede producirse en DataSize + CurChannel. • http://securitytracker.com/id?1027725 http://telussecuritylabs.com/threats/show/TSL20121207-01 https://bugs.chromium.org/p/project-zero/issues/detail?id=1286 https://community.sophos.com/kb/en-us/118424#six https://kc.mcafee.com/corporate/index?page=content&id=SB10205 https://lock.cmpxchg8b.com/sophailv2.pdf https://nakedsecurity.sophos.com/2012/11/05/tavis-ormandy-sophos https://security.gentoo.org/glsa/201708-05 https://security.gentoo.org/glsa/201709-24 https://security.gent • CWE-190: Integer Overflow or Wraparound •