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[ GLSA 201101-05 ] OpenAFS: Arbitrary code execution
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GLSA
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PostPosted: Sun Jan 16, 2011 11:26 am    Post subject: [ GLSA 201101-05 ] OpenAFS: Arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: OpenAFS: Arbitrary code execution (GLSA 201101-05)
Severity: normal
Exploitable: remote
Date: January 16, 2011
Bug(s): #265538
ID: 201101-05

Synopsis


The cache manager of OpenAFS contains several bugs resulting in remote
execution of arbitrary code.


Background


OpenAFS is a distributed file system.


Affected Packages

Package: net-fs/openafs
Vulnerable: < 1.4.9
Unaffected: >= 1.4.9
Architectures: All supported architectures


Description


Two vulnerabilities were discovered:

  • Simon Wilkinson discovered from a bug report by Toby Blake that the
    cache manager of OpenAFS contains a heap-based buffer overflow which is
    related to the use of the ERR_PTR macro (CVE-2009-1250).
  • A
    pointer dereference bug when using XDR arrays was discovered by Simon
    Wilkinson, with assistance from Derrick Brashear and Jeffrey Altman.
    (CVE-2009-1251).


Impact


The vulnerabilities might allow remote unauthenticated attackers to
cause a Denial of Service (system crash) and possibly execute arbitrary
code.


Workaround


There is no known workaround at this time.


Resolution


All OpenAFS users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=net-fs/openafs-1.4.9"


References

CVE-2009-1250
CVE-2009-1251


Last edited by GLSA on Fri Jun 22, 2012 4:28 am; edited 1 time in total
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