CVE-2013-4207

NONECVSS 0.0

0.0

Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during computation of a modular inverse and triggers the overflow during a division by zero by the bignum functionality, a different vulnerability than CVE-2013-4206.

🔗 References (12)

secalert@redhathttp://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
secalert@redhathttp://secunia.com/advisories/54379
secalert@redhathttp://secunia.com/advisories/54533
secalert@redhathttp://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html
secalert@redhathttp://www.debian.org/security/2013/dsa-2736
secalert@redhathttp://www.openwall.com/lists/oss-security/2013/08/06/11
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/54379
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/54533
af854a3a-2127-422b-91ae-364da2661108http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2736
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/08/06/11

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CVE-2013-4207

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🔗 References (12)

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