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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200410-01] sharutils: Buffer overflows in shar.c and unshar.c

Vulnerability Assessment Details

[GLSA-200410-01] sharutils: Buffer overflows in shar.c and unshar.c

Vulnerability Assessment Summary
sharutils: Buffer overflows in shar.c and unshar.c

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200410-01
(sharutils: Buffer overflows in shar.c and unshar.c)

sharutils contains two buffer overflows. Ulf Harnhammar discovered a buffer
overflow in shar.c, where the length of data returned by the wc command is
not checked. Florian Schilhabel discovered another buffer overflow in
unshar.c.

Impact

A possible hacker could exploit these vulnerabilities to execute arbitrary code
as the user running one of the sharutils programs.

Workaround

There is no known workaround at this time.

References:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=265904

Solution:
All sharutils users should upgrade to the latest version:
# emerge sync
# emerge -pv ">=app-arch/sharutils-4.2.1-r10"
# emerge ">=app-arch/sharutils-4.2.1-r10"

Network Security Threat Level: Medium

Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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