7.8high
CVE-2016-2568
pkexec, when used with --user nonpriv, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes ch…
Published 9 y ago · modified 29 d ago · JSON
CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 31%
Public exploits
0
none known
Summary
pkexec, when used with --user nonpriv, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 29 d ago
Exploit prediction (EPSS)
0.37% probability of exploitation in the next 30 days, higher than 31% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
- CWE-116 Improper Encoding or Escaping of Output
References
- openwall.com /lists/oss-security/2016/02/26/3 · mailing-list, x_refsource_MLIST, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=1300746 · x_refsource_CONFIRM, x_transferred
- access.redhat.com /security/cve/cve-2016-2568 · x_refsource_MISC, x_transferred
- ubuntu.com /security/CVE-2016-2568 · x_refsource_MISC, x_transferred
- bugs.debian.org /cgi-bin/bugreport.cgi?bug=816062 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2016-2568
- NVD: CVE-2016-2568
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