BugTraq
[ MDVSA-2013:045 ] libssh Apr 05 2013 02:34PM
security mandriva com
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Mandriva Linux Security Advisory MDVSA-2013:045
http://www.mandriva.com/en/support/security/
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Package : libssh
Date : April 5, 2013
Affected: Business Server 1.0
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Problem Description:

Updated libssh packages fix security vulnerabilities:

Multiple double free flaws, buffer overflow flaws, invalid free
flaws, and improper overflow checks in libssh before 0.5.3 could
enable a denial of service attack against libssh clients, or possibly
arbitrary code execution (CVE-2012-4559, CVE-2012-4560, CVE-2012-4561
and CVE-2012-4562).

Yong Chuan Koh discovered that libssh incorrectly handled certain
negotiation requests. A remote attacker could use this to cause libssh
to crash, resulting in a denial of service (CVE-2013-0176).
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References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4559
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4560
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4561
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4562
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0176
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0344
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0033
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Updated Packages:

Mandriva Business Server 1/X86_64:
75e5b89f0a5d0eda3bbb0f2c97568cc8 mbs1/x86_64/lib64ssh4-0.5.2-2.1.mbs1.x86_64.rpm
4dc1a2ba2f6148f774fcddef1d32b7b5 mbs1/x86_64/lib64ssh-devel-0.5.2-2.1.mbs1.x86_64.rpm
519a8c2a9c8bab7c31537cdef43c2cfd mbs1/SRPMS/libssh-0.5.2-2.1.mbs1.src.rpm
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To upgrade automatically use MandrivaUpdate or urpmi. The verification
of md5 checksums and GPG signatures is performed automatically for you.

All packages are signed by Mandriva for security. You can obtain the
GPG public key of the Mandriva Security Team by executing:

gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

You can view other update advisories for Mandriva Linux at:

http://www.mandriva.com/en/support/security/advisories/

If you want to report vulnerabilities, please contact

security_(at)_mandriva.com
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Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Mandriva Security Team
<security*mandriva.com>
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