CVE-2013-4852
EPSS 1.8%
Description
Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the SSH handshake, which triggers a heap-based buffer overflow.
How to fix CVE-2013-4852
To remediate CVE-2013-4852, upgrade the affected package to a fixed version below.
- Debian/filezilla—upgrade to 3.7.3-1 or later
- Debian/putty—upgrade to 0.63-1 or later
Is CVE-2013-4852 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.7.3-1
- from 0, < 0.63-1