GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Sat Mar 31, 2007 8:26 pm Post subject: [ GLSA 200703-26 ] file: Integer underflow |
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Gentoo Linux Security Advisory
Title: file: Integer underflow (GLSA 200703-26)
Severity: high
Exploitable: remote
Date: March 30, 2007
Bug(s): #171452
ID: 200703-26
Synopsis
A buffer underflow vulnerability has been reported in file allowing for the
user-assisted execution of arbitrary code.
Background
file is a utility that guesses a file format by scanning binary data
for patterns.
Affected Packages
Package: sys-apps/file
Vulnerable: < 4.20
Unaffected: >= 4.20
Architectures: All supported architectures
Description
Jean-Sebastien Guay-Leroux reported an integer underflow in
file_printf function.
Impact
A remote attacker could entice a user to run the "file" program on a
specially crafted file that would trigger a heap-based buffer overflow
possibly leading to the execution of arbitrary code with the rights of
the user running "file". Note that this vulnerability could be also
triggered through an automatic file scanner like amavisd-new.
Workaround
There is no known workaround at this time.
Resolution
Since file is a system package, all Gentoo users should upgrade to the
latest version:
Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/file-4.20" |
References
CVE-2007-1536
Last edited by GLSA on Mon Aug 25, 2014 4:24 am; edited 3 times in total |
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