|Description||slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)|
|NVD severity||medium (attack range: remote)|
Vulnerable and fixed packages
The table below lists information on source packages.
|bullseye, sid, buster||44-1||fixed|
The information below is based on the following data on fixed versions.
Starting with 41-1 slock.c got patched to use PAM, cf. #739629
and with the patch readpw(dpy, pws) is not called anymore, and
thus in readpw, not calling crypt(passwd, pws) with a possibly