High severity · published Feb 7, 2017
CVE-2016-2779
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UT
Util-linux · Kernel
2.24.2-1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2779
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2779
Mailing List
http://www.openwall.com/lists/oss-security/2016/02/27/1
Mailing List
http://www.openwall.com/lists/oss-security/2016/02/27/2
Issue Tracking
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922
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