VulnerabilityModified
CVE-2013-4208
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.
LOW 2.1EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
Description
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 2.0
- 2.1 LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 0.39% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- putty/putty · simon tatham/putty
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
- http://secunia.com/advisories/54379Vendor Advisory
- http://secunia.com/advisories/54533
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.html
- http://www.debian.org/security/2013/dsa-2736
- http://www.openwall.com/lists/oss-security/2013/08/06/11
- http://lists.opensuse.org/opensuse-updates/2013-08/msg00035.html
- http://secunia.com/advisories/54379Vendor Advisory
- http://secunia.com/advisories/54533
- http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/private-key-not-wiped.html
- http://www.debian.org/security/2013/dsa-2736
- http://www.openwall.com/lists/oss-security/2013/08/06/11
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.