NVD
- Id
- 39853
- Name
- 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.
- Reject
- CVSS Version
- 2
- CVSS Score
- 6.8
- Severity
- Medium
- CVSS Base Score
- 6.8
- CVSS Impact Subscore
- 6.4
- CVSS Exploit Subscore
- 8.6
- CVSS Vector
- (AV:N/AC:M/Au:N/C:P/I:P/A:P)
- Pub Date
- 2017-01-18
- Published
- 2013-08-19
- Modified Date
- 2015-09-02
- Seq
- 2013-4206