CVE-2012-6706
Critical
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].
SeverityCritical
CVSS9.8
Exploit probability96. percentile10.1%
Product
Sophos Threat Detection Engine
PublishedJun 22, 2017
First seenJun 22, 2017
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sophos threat_detection_engine | v ≤ 3.36.2 | — |
| rarlab unrar | v ≤ 5.5.4 | — |
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