drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberläufe in libotr
Name: |
Pufferüberläufe in libotr |
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ID: |
201309-07 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
So, 15. September 2013, 09:27 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3461 |
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Applikationen: |
libotr |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --KUqpjJrnBaSqeLPfwIcJeHJltQMSpPI6n Content-Type: text/plain; charset=ISO-8859- Content-Transfer-Encoding: quoted-printable
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201309-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: High Title: libotr: Arbitrary code execution Date: September 15, 2013 Bugs: #430486 ID: 201309-07
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Synopsis ========
A buffer overflow vulnerability in libotr could allow a remote attacker to execute arbitrary code or cause a Denial of Service condition.
Background ==========
libotr is a portable off-the-record messaging library.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/libotr < 3.2.1 >= 3.2.1
Description ===========
Multiple heap-based buffer overflows are present in the Base64 decoder of libotr.
Impact ======
A remote attacker could send a specially crafted OTR message, resulting in arbitrary code execution with the privileges of the process or a Denial of Service condition.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All libotr users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/libotr-3.2.1"
References ==========
[ 1 ] CVE-2012-3461 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3461
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201309-07.xml
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.
License =======
Copyright 2013 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
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