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[ GLSA 201301-05 ] bzip2: User-assisted execution of arbitrary code
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PostPosted: Wed Jan 09, 2013 3:26 am    Post subject: [ GLSA 201301-05 ] bzip2: User-assisted execution of arbitra Reply with quote

Gentoo Linux Security Advisory

Title: bzip2: User-assisted execution of arbitrary code (GLSA 201301-05)
Severity: normal
Exploitable: local
Date: January 09, 2013
Bug(s): #338215
ID: 201301-05

Synopsis

An integer overflow vulnerability has been found in bzip2 and could
result in execution of arbitrary code or Denial of Service.


Background

bzip2 is a high-quality data compressor used extensively by Gentoo
Linux.


Affected Packages

Package: app-arch/bzip2
Vulnerable: < 1.0.6
Unaffected: >= 1.0.6
Architectures: All supported architectures


Description

An integer overflow vulnerability has been discovered in bzip2. Please
review the CVE identifier referenced below for details.


Impact

A remote attacker could entice a user to open a specially crafted
compressed file using bzip2, possibly resulting in execution of arbitrary
code with the privileges of the process, or a Denial of Service
condition.


Workaround

There is no known workaround at this time.

Resolution

All bzip2 users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.6"
   


References

CVE-2010-0405
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