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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200611-24] LHa: Multiple vulnerabilities


Vulnerability Assessment Details

[GLSA-200611-24] LHa: Multiple vulnerabilities

Vulnerability Assessment Summary
LHa: Multiple vulnerabilities

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200611-24
(LHa: Multiple vulnerabilities)


Tavis Ormandy of the Google Security Team discovered several
vulnerabilities in the LZH decompression component used by LHa. The
make_table function of unlzh.c contains an array index error and a
buffer overflow vulnerability. The build_tree function of unpack.c
contains a buffer underflow vulnerability. Additionally, unlzh.c
contains a code that could run in an infinite loop.

Impact

By enticing a user to uncompress a specially crafted archive, a remote
attacker could cause a Denial of Service by CPU consumption or execute
arbitrary code with the rights of the user running the application.

Workaround

There is no known workaround at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4335
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4336
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4337
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4338


Solution:
All LHa users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/lha-114i-r6"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

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