CVE-2017-5618

GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.

CVSS v3.0 NVD

7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

1.09% chance of exploitation in the next 30 days, 65th percentile

Published

2017-03-20

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html

Security advisories

• http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5…
• http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1
• http://savannah.gnu.org/bugs/?50142
• http://www.openwall.com/lists/oss-security/2017/01/29/3
• http://www.securityfocus.com/bid/95873

References

• CVE Record
• NVD entry