|Description||The Debian xscreensaver 5.42+dfsg1-1 package for XScreenSaver has cap_net_raw enabled for the /usr/libexec/xscreensaver/sonar file, which allows local users to gain privileges because this is arguably incompatible with the design of the Mesa 3D Graphics library dependency.|
|Source||CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)|
Vulnerable and fixed packages
The table below lists information on source packages.
|sid, trixie, bookworm||6.06+dfsg1-3||fixed|
The information below is based on the following data on fixed versions.
[buster] - xscreensaver <not-affected> (Vulnerability introduced later)
[stretch] - xscreensaver <not-affected> (Vulnerability introduced later)
Fixed upstream in 6.00 (no public version control): https://twitter.com/jwz/status/1383503845217554444
Only in 5.44+dfsg1-1 net_raw capability was added to sonar executable via postinst
and so exposing the vulnerability.