Gentoo: GLSA-200403-01: Libxml2 URI Parsing Buffer Overflow Vulnerabilities
A buffer overflow has been discovered in libxml2 versions prior to 2.6.6 which may be exploited by an attacker allowing the execution of arbitrary code
Summary
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Gentoo Linux Security Advisory GLSA 200403-01 ~ https://security.gentoo.org/
~ Severity: Normal ~ Title: Libxml2 URI Parsing Buffer Overflow Vulnerabilities ~ Date: March 06, 2004 ~ Bugs: #42735 ~ ID: 200403-01
Synopsis ======= A buffer overflow has been discovered in libxml2 versions prior to 2.6.6 which may be exploited by an attacker allowing the execution of arbitrary code.
========== Yuuichi Teranishi discovered a flaw in libxml2 versions prior to 2.6.6. When the libxml2 library fetches a remote resource via FTP or HTTP, libxml2 uses parsing routines that can overflow a buffer caused by improper bounds checking if they are passed a URL longer than 4096 bytes.
Impact ===== If an attacker is able to exploit an application using libxml2 that parses remote resources, then this flaw could be used to execute arbitrary code.
Workaround ========= No workaround is available; users are urged to upgrade libxml2 to 2.6.6.
Resolution ========= All users are recommended to upgrade their libxml2 installation:
~ # emerge sync ~ # emerge -pv ">=dev-libs/libxml2-2.6.6" ~ # emerge ">=dev-libs/libxml2-2.6.6"
References ========= ~ [ 1 ] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0110
Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org/.
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