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[ GLSA 200508-01 ] Compress::Zlib: Buffer overflow
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GLSA
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Joined: 12 May 2004
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PostPosted: Mon Aug 01, 2005 6:13 am    Post subject: [ GLSA 200508-01 ] Compress::Zlib: Buffer overflow Reply with quote

Gentoo Linux Security Advisory

Title: Compress::Zlib: Buffer overflow (GLSA 200508-01)
Severity: high
Exploitable: remote
Date: August 01, 2005
Updated: May 28, 2009
Bug(s): #100540
ID: 200508-01

Synopsis


Compress::Zlib is vulnerable to a buffer overflow which could potentially
lead to execution of arbitrary code.


Background


The Compress::Zlib is a Perl module which provides an interface to
the zlib compression library.


Affected Packages

Package: perl-core/Compress-Zlib
Vulnerable: < 1.35
Unaffected: >= 1.35
Architectures: All supported architectures


Description


Compress::Zlib 1.34 contains a local vulnerable version of zlib,
which may lead to a buffer overflow.


Impact


By creating a specially crafted compressed data stream, attackers
can overwrite data structures for applications that use Compress::Zlib,
resulting in a Denial of Service and potentially arbitrary code
execution.


Workaround


There is no known workaround at this time.


Resolution


All Compress::Zlib users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=perl-core/Compress-Zlib-1.35"


References

GLSA 200507-19
GLSA 200507-05
CAN-2005-1849
CAN-2005-2096


Last edited by GLSA on Mon Jun 10, 2013 4:20 am; edited 3 times in total
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