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CVE ID:CVE-2013-4206
Description:Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corruption or code execution via a crafted DSA signature, which is not properly handled when performing certain bit-shifting operations during modular multiplication.
Test IDs: 1.3.6.1.4.1.25623.1.0.892736   1.3.6.1.4.1.25623.1.0.702736  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2013-4206
Debian Security Information: DSA-2736 (Google Search)
http://www.debian.org/security/2013/dsa-2736
http://www.openwall.com/lists/oss-security/2013/08/06/11
http://secunia.com/advisories/54379
http://secunia.com/advisories/54533
SuSE Security Announcement: openSUSE-SU-2013:1347 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html




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