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cvelistRedhatCVELIST:CVE-2013-4206
HistoryAug 19, 2013 - 11:00 p.m.

CVE-2013-4206

2013-08-1923:00:00
redhat
www.cve.org

7.1 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

86.9%

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.

7.1 High

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

86.9%