Vulnerability Details : CVE-2011-4028
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.
Products affected by CVE-2011-4028
- cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:x.org:x_server:1.11.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4028
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4028
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
1.2
|
LOW | AV:L/AC:H/Au:N/C:P/I:N/A:N |
1.9
|
2.9
|
NIST |
CWE ids for CVE-2011-4028
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4028
-
http://cgit.freedesktop.org/xorg/xserver/commit/?id=6ba44b91e37622ef8c146d8f2ac92d708a18ed34
xorg/xserver - X server (mirrored from https://gitlab.freedesktop.org/xorg/xserver)
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http://lists.freedesktop.org/archives/xorg/2011-October/053680.html
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http://rhn.redhat.com/errata/RHSA-2012-0939.html
RHSA-2012:0939 - Security Advisory - Red Hat Customer Portal
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