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.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: redhat
Published: 2013-08-19T23:00:00
Updated: 2024-08-06T16:38:01.677Z
Reserved: 2013-06-12T00:00:00
Link: CVE-2013-4206
Vulnrichment
No data.
NVD
Status : Modified
Published: 2013-08-19T23:55:08.723
Modified: 2024-11-21T01:55:07.733
Link: CVE-2013-4206
Redhat
No data.