HTTP: ClamAV OLE2 uniq_add Out-of-Bounds Write Remote Code Execution

This signature detects attempts to exploit a known vulnerability against ClamAV. A successful attack can lead to arbitrary code execution.

Extended Description

A vulnerability in the Object Linking & Embedding (OLE2) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a lack of proper input and validation checking mechanisms for OLE2 files sent an affected device. An attacker could exploit this vulnerability by sending malformed OLE2 files to the device running an affected version ClamAV Software. An exploit could allow the attacker to cause an out-of-bounds write condition, resulting in a crash that could result in a denial of service condition on an affected device.

Affected Products

Clamav clamav

References

CVE: CVE-2019-1788

URL: https://blog.clamav.net/2019/03/clamav-01012-and-01003-patches-have.html https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12166

Short Name

HTTP:CLAMAV-CVE-2019-1788-OB

Severity

Major

Recommended

True

Recommended Action

Drop

HTTP: ClamAV OLE2 uniq_add Out-of-Bounds Write Remote Code Execution

Extended Description

Affected Products

References

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