SB2018030633 - Integer overflow in clamav (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Integer overflow (CVE-ID: CVE-2012-6706)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow when processing .rar archives in unrar 5.5.4. A remote unauthenticated attacker can create a specially crafted archive, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=287dc987d0bfa340aa510b11e2ad691a15b5ea4e
• https://git.alpinelinux.org/aports/commit/?id=9538615b581d4d5b661a672dc8585be1cb4a3a7f
• https://git.alpinelinux.org/aports/commit/?id=39811d78329ec562d9254e27716bacc363c40d72