CVE-2013-4207
- Source
- https://cve.org/CVERecord?id=CVE-2013-4207
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2013-4207.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2013-4207
- Downstream
- Related
- Withdrawn
- 2026-01-27T04:11:42Z
- Published
- 2013-08-19T23:55:08Z
- Modified
- 2026-04-16T01:44:20Z
- Summary
- [none]
- Details
-
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
-
- http://secunia.com/advisories/54379
- http://secunia.com/advisories/54533
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-bignum-division-by-zero.html
- http://www.debian.org/security/2013/dsa-2736
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
- http://www.openwall.com/lists/oss-security/2013/08/06/11