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CVE-2012-6706

Public on 2017-06-22
Modified on 2018-03-23
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].

Severity
Critical
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CVSS v3 Base Score
9.8
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 clamav 2018-03-21 22:24 ALAS-2018-976

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C
Amazon Linux CVSSv3 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C
NVD CVSSv3 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H