Description
PAM 0.76 treats a disabled password as if it were an empty (null) password, which allows local and remote attackers to gain privileges as disabled users.
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 | pam | 0.76-6 | — |
| Debian 13 | pam | 0.76-6 | — |
| Debian 12 | pam | 0.76-6 | — |
References
- pam-disabled-bypass-authentication(10405) vdb-entry
- 5994 vdb-entry
- DSA-177 vendor-advisory