Description
PuTTY 0.59 and earlier uses weak file permissions for (1) ppk files containing private keys generated by puttygen and (2) session logs created by putty, which allows local users to gain sensitive information by reading these files.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | putty | 0.59-1 | — |
| Debian 13 | putty | 0.59-1 | — |
| Debian 12 | putty | 0.59-1 | — |
References
- 24381 third-party-advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=400804