#VU8603 Out-of-bounds read in UnRar - CVE-2017-12940

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Main Vulnerability Database Vulnerabilities #VU8603

#VU8603 Out-of-bounds read in UnRar - CVE-2017-12940

Published: September 25, 2017 / Updated: September 26, 2017


Vulnerability identifier: #VU8603
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12940
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
UnRar
Software vendor:
RARLAB

Description

The vulnerability allows a remote attacker to crash the affected application.

The vulnerability exists due to out-pf-bounds read in libunrar.a in UnRAR before 5.5.7 in the EncodeFileName::Decode call within the Archive::ReadHeader15 function. A remote attacker can create a specially crafted archive and crash the affected application.


Remediation

Update to version 5.5.7.

External links