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.
Metrics
CVSS 3.0 7.8/10
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8Patch, Third Party Advisory
- http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1Release Notes, Third Party Advisory
- http://savannah.gnu.org/bugs/?50142Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/29/3Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95873Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.htmlExploit, Third Party Advisory
- http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8Patch, Third Party Advisory
- http://git.savannah.gnu.org/cgit/screen.git/tree/src/ChangeLog?h=v.4.5.1Release Notes, Third Party Advisory
- http://savannah.gnu.org/bugs/?50142Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/29/3Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95873Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.htmlExploit, Third Party Advisory
Timeline
- Published
- Mar 20, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified