CVE-2017-5618

high

Description

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.

References

Advisories
More

http://www.securityfocus.com/bid/95873

http://savannah.gnu.org/bugs/?50142

http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1

http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8

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

http://www.openwall.com/lists/oss-security/2017/01/29/3

Details

Source: Mitre, NVD

Published: 2017-03-20

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H