Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade Centos:6
xorg-x11-server-source
to version 0:1.10.6-1.el6 or higher.
Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-source
package and not the xorg-x11-server-source
package as distributed by Centos
.
See How to fix?
for Centos:6
relevant fixed versions and status.
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.