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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.0438 libxml2 security update 26 March 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libxml2 Publisher: Debian Operating System: Debian GNU/Linux 6 Impact/Access: Denial of Service -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-0339 CVE-2013-0338 Reference: ESB-2013.0383 ESB-2013.0307 Original Bulletin: http://www.debian.org/security/2013/dsa-2652 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-2652-1 security@debian.org http://www.debian.org/security/ Michael Gilbert March 24, 2013 http://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : libxml2 Vulnerability : external entity expansion Problem type : remote Debian-specific: no CVE ID : CVE-2013-0338 CVE-2013-0339 Debian Bug : 702260 Brad Hill of iSEC Partners discovered that many XML implementations are vulnerable to external entity expansion issues, which can be used for various purposes such as firewall circumvention, disguising an IP address, and denial-of-service. libxml2 was susceptible to these problems when performing string substitution during entity expansion. For the stable distribution (squeeze), these problems have been fixed in version 2.7.8.dfsg-2+squeeze7. For the testing (wheezy) and unstable (sid) distributions, these problems have been fixed in version 2.8.0+dfsg1-7+nmu1. We recommend that you upgrade your libxml2 packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: http://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAEBAgAGBQJRUMJsAAoJEL97/wQC1SS+PAcH/1wNl75mW7tMRlNLoI2QIrIy bSjxCmdl8WELMYpujnP4wxPRzE8p0WoIUVH3z73TMromx+4U4y1skgJBC2xmeIb1 ei76dpw4QgkoIrn9OCauXBzDKpXToYDlSxY6Kwk1qiBGymukDPQMHcgb5q9AmEYP 5FsunANzVhRQt83UORBb8+W6JPmmaJpGiswFiWXAlCJy5mBdEcWHFOfGfAZZ+ZxJ VOPPiulNTpEVttDtfqNWp2VOf5LmVW73Y+C+OgCcNL5tEJQEwxqIwMPlUcf5DQEb lZHJa1BGNwcNZZgSG8d5SL0cwn0rWLRIIdbqZvus+s2yMcQcBTn1hLd1yaCVmaU= =kczj - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBUVE43+4yVqjM2NGpAQKr7RAAkqq8DymBPqyDNJYagHXQxupNrWpbySVN Vo3LwvkMPFyMGXd+r4U9scdiucHsCZn8QgfQpj33/hIpVHal5j/nilwHOYVtzT0B NyMfVz8TuG0mPh1CN46s3PXo1075B5LswaZjDM5zd8ngZSz3jSc96YIiZ1cMsK5S imVpns4FNNqoTXRu1T28Ma0MaxzD22fK9hoLFSIb1zUwJ0YpfLt27q48DwEWP4+5 L4kk9+RCC8DpML5Y8xhBYiaqoDQaExZ+ys4+CMURNC2soka+3pi/w0Sql0CP4S5X tZCXHi+3iDsOYkY4UnoralQam2TVxDvmOf5pbx7hHtetljCFb2/0jcAyYn5bkXTM E6B2GiK910CLV8n/khqiU6+BkGGWfXhhyxgrgqODi8gPBLfwBOw3COkO1t6D6Qf3 r55nb9dhp+xKgNnDuNTdyBpeOJJJGLdJnoEfd0PIpUc4WTblINh5YEa7+J+tv8tc xqkLK0OfJj3rZBkqTBWgU0d/AqI1AnWDI7K/huTwNCkHlh2XSSjYawxrERI02pB+ XKm5R+O5y7ATVYVQRB6NVFb+prJ3YG+n5dRekMKP8XBFJGP+WDVadS8e6/yPhsEH /c3WmLj65UcN/Rou6ATSWgaEuR04U0eL7YICBS27C2nb11ZCVA2CJRlYK82tsTdP Ph6ZePokBwo= =GrJ9 -----END PGP SIGNATURE-----