CVE-2013-4206

Published Aug 19, 2013

Last updated 3 years ago

Overview

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.
Source
secalert@redhat.com
NVD status
Analyzed

Social media

Hype score
Not currently trending

Risk scores

CVSS 2.0

Type
Primary
Base score
6.8
Impact score
6.4
Exploitability score
8.6
Vector string
AV:N/AC:M/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov
CWE-119

Configurations