GLSA-200511-10 : RAR: Format string and buffer overflow vulnerabilities

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Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200511-10
(RAR: Format string and buffer overflow vulnerabilities)

Tan Chew Keong reported about two vulnerabilities found in RAR:
A format string error exists when displaying a diagnostic
error message that informs the user of an invalid filename in an
UUE/XXE encoded file.
Some boundary errors in the processing
of malicious ACE archives can be exploited to cause a buffer

Impact :

A remote attacker could exploit these vulnerabilities by enticing
a user to:
decode a specially crafted UUE/XXE file,
extract a malicious ACE archive containing a file with an
overly long filename.
When the user performs these
actions, the arbitrary code of the attacker's choice will be executed.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All RAR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/rar-3.5.1'

Risk factor :


Family: Gentoo Local Security Checks

Nessus Plugin ID: 20197 (gentoo_GLSA-200511-10.nasl)

Bugtraq ID: