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[ GLSA 200411-05 ] libxml2: Remotely exploitable buffer overflow
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GLSA
Bodhisattva
Bodhisattva


Joined: 25 Feb 2003
Posts: 3827
Location: Essen, Germany

PostPosted: Tue Nov 02, 2004 6:38 pm    Post subject: [ GLSA 200411-05 ] libxml2: Remotely exploitable buffer over Reply with quote

Gentoo Linux Security Advisory

Title: libxml2: Remotely exploitable buffer overflow (GLSA 200411-05)
Severity: high
Exploitable: remote
Date: November 02, 2004
Bug(s): #69154
ID: 200411-05

Synopsis


libxml2 contains multiple buffer overflows which could lead to the
execution of arbitrary code.


Background


libxml2 is an XML parsing library written in C.


Affected Packages

Package: dev-libs/libxml2
Vulnerable: < 2.6.15
Unaffected: >= 2.6.15
Architectures: All supported architectures


Description


Multiple buffer overflows have been detected in the nanoftp and nanohttp
modules. These modules are responsible for parsing URLs with ftp
information, and resolving names via DNS.


Impact


An attacker could exploit an application that uses libxml2 by forcing it to
parse a specially-crafted XML file, potentially causing remote execution of
arbitrary code.


Workaround


There is no known workaround at this time.


Resolution


All libxml2 users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.6.15"


References

BugTraq Advisory
libxml2 ChangeLog
CAN-2004-0989


Last edited by GLSA on Wed Jul 14, 2010 4:18 am; edited 3 times in total
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