Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
RAR: Format string and buffer overflow vulnerabilities
Detailed Explanation for this Vulnerability Assessment
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
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.
There is no known workaround at this time.
All RAR users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/rar-3.5.1"
Network Security Threat Level: Medium
Networks Security ID:
Vulnerability Assessment Copyright: (C) 2005 Michel Arboi
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