CVE-2013-4208
lowpriority · track · 8EPSS 0.004 · 33 %ileEUUSEPSS · scored 2026-10-27
The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, which might allow local users to discover private RSA and DSA keys.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.htmlcnnvd
- http://secunia.com/advisories/54379cnnvd
- http://secunia.com/advisories/54533cnnvd
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.htmlcnnvd
- http://www.debian.org/security/2013/dsa-2736cnnvd
- http://www.openwall.com/lists/oss-security/2013/08/06/11cnnvd
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.htmlenisa_euvd
- http://secunia.com/advisories/54379enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan