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Fencer Vulns
medium 6.2

CVE-2007-3103 json

The init.d script for the X.Org X11 xfs font server on various Linux distributions might allow local users to change the permissions of arb…

published 2007-07-15 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3095

cvss
6.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
1
Exploit-DB

Summary

The init.d script for the X.Org X11 xfs font server on various Linux distributions might allow local users to change the permissions of arbitrary files via a symlink attack on the /tmp/.font-unix temporary file.

Patch / fix

  • xorg-x11-xfs RHEL 5 1:1.0.2-4
  • xorg-x11-xfs-utils RHEL 5 1:1.0.2-4
  • xorg-x11 RHEL 4 6.8.2-1.EL.19
  • xorg-x11-sdk RHEL 4 6.8.2-1.EL.19
  • xorg-x11-twm RHEL 4 6.8.2-1.EL.19
  • xorg-x11-xdm RHEL 4 6.8.2-1.EL.19
  • xorg-x11-xfs RHEL 4 6.8.2-1.EL.19
  • xorg-x11-libs RHEL 4 6.8.2-1.EL.19

red hat advisories RHSA-2007:0520RHSA-2007:0519

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-3103 updated

security flaw

  • Red Hat Enterprise Linux (v. 5 server) xorg-x11-xfs 1.0.2-4, xorg-x11-xfs-utils 1.0.2-4
    fixed: vendor fix RHSA-2007:0520
  • Red Hat Enterprise Linux AS version 4 xorg-x11 6.8.2-1.EL.19, xorg-x11-sdk 6.8.2-1.EL.19, xorg-x11-twm 6.8.2-1.EL.19, xorg-x11-xdm 6.8.2-1.EL.19, xorg-x11-xfs 6.8.2-1.EL.19, xorg-x11-libs 6.8.2-1.EL.19, +9 more
    fixed: vendor fix RHSA-2007:0519
  • Red Hat Enterprise Linux Desktop (v. 5 client) xorg-x11-xfs 1.0.2-4, xorg-x11-xfs-utils 1.0.2-4
    fixed: vendor fix RHSA-2007:0520
  • Red Hat Enterprise Linux Desktop version 4 xorg-x11 6.8.2-1.EL.19, xorg-x11-sdk 6.8.2-1.EL.19, xorg-x11-twm 6.8.2-1.EL.19, xorg-x11-xdm 6.8.2-1.EL.19, xorg-x11-xfs 6.8.2-1.EL.19, xorg-x11-libs 6.8.2-1.EL.19, +9 more Red Hat Enterprise Linux ES version 4 xorg-x11 6.8.2-1.EL.19, xorg-x11-sdk 6.8.2-1.EL.19, xorg-x11-twm 6.8.2-1.EL.19, xorg-x11-xdm 6.8.2-1.EL.19, xorg-x11-xfs 6.8.2-1.EL.19, xorg-x11-libs 6.8.2-1.EL.19, +9 more Red Hat Enterprise Linux WS version 4 xorg-x11 6.8.2-1.EL.19, xorg-x11-sdk 6.8.2-1.EL.19, xorg-x11-twm 6.8.2-1.EL.19, xorg-x11-xdm 6.8.2-1.EL.19, xorg-x11-xfs 6.8.2-1.EL.19, xorg-x11-libs 6.8.2-1.EL.19, +9 more
    fixed: vendor fix RHSA-2007:0519

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-5167)

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-5167 X.Org xorg-x11-xfs 1.0.2-3.1 - Local Race Condition local, 2008-02-21

CVSS scores

assigned by version score vector
NVD 2.0 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.