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[ GLSA 201301-02 ] HAProxy: Arbitrary code execution
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GLSA
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Joined: 12 May 2004
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PostPosted: Wed Jan 09, 2013 12:26 am    Post subject: [ GLSA 201301-02 ] HAProxy: Arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: HAProxy: Arbitrary code execution (GLSA 201301-02)
Severity: high
Exploitable: remote
Date: January 08, 2013
Bug(s): #417079
ID: 201301-02

Synopsis

A buffer overflow in HAProxy may allow execution of arbitrary code.

Background

HAProxy is a TCP/HTTP reverse proxy for high availability environments.

Affected Packages

Package: net-proxy/haproxy
Vulnerable: < 1.4.21
Unaffected: >= 1.4.21
Architectures: All supported architectures


Description

A boundary error in HAProxy could cause a buffer overflow when header
rewriting is enabled and the configuration sets global.tune.bufsize to a
value greater than the default (16384 bytes).


Impact

A remote attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All HAProxy users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-proxy/haproxy-1.4.21"
   


References

CVE-2012-2942


Last edited by GLSA on Fri Feb 07, 2014 4:31 am; edited 2 times in total
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