Vulnerability Details : CVE-2011-4613
The X.Org X wrapper (xserver-wrapper.c) in Debian GNU/Linux and Ubuntu Linux does not properly verify the TTY of a user who is starting X, which allows local users to bypass intended access restrictions by associating stdin with a file that is misinterpreted as the console TTY.
Products affected by CVE-2011-4613
- cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
- cpe:2.3:o:ubuntu:linux:*:*:*:*:*:*:*:*
- cpe:2.3:a:x.org:x_server:-:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*
Threat overview for CVE-2011-4613
Top countries where our scanners detected CVE-2011-4613
Top open port discovered on systems with this issue
8200
IPs affected by CVE-2011-4613 2,348
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-4613!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2011-4613
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-2011-4613
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
CWE ids for CVE-2011-4613
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4613
-
http://www.debian.org/security/2011/dsa-2364
Debian -- Security Information -- DSA-2364-1 xorgVendor Advisory
-
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652249
#652249 - bypass default security level of the X wrapper - Debian Bug report logsVendor Advisory
-
http://www.ubuntu.com/usn/USN-1349-1
USN-1349-1: X.Org vulnerability | Ubuntu security noticesVendor Advisory
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