A vulnerability has been found in LibXfont and LibXfont2 which may allow for arbitrary file access.
Package | x11-libs/libXfont on all architectures |
---|---|
Affected versions | < 1.5.4 |
Unaffected versions | >= 1.5.4 |
Package | x11-libs/libXfont2 on all architectures |
---|---|
Affected versions | < 2.0.3 |
Unaffected versions | >= 2.0.3 |
X.Org Xfont library.
It was discovered that libXfont incorrectly followed symlinks when opening font files.
A local unprivileged user could use this flaw to cause the X server to access arbitrary files, including special device files.
There is no known workaround at this time.
All LibXfont users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.5.4"
All LibXfont2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libXfont2-2.0.3"
Release date
January 08, 2018
Latest revision
January 08, 2018: 1
Severity
normal
Exploitable
local
Bugzilla entries