CVE-2017-5618

Published: 20 March 2017

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.

Priority

Medium

CVSS 3 base score: 7.8

Status

Notes

introduced via the following patches:
http://git.savannah.gnu.org/cgit/screen.git/commit/?id=c575c40c9bd7653470639da32e06faed0a9b2ec4
http://git.savannah.gnu.org/cgit/screen.git/commit/?h=screen-v4&id=5460f5d28c01a9a58e021eb1dffef2965e629d58

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5618
• https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html
• https://savannah.gnu.org/bugs/?50142
• http://www.openwall.com/lists/oss-security/2017/01/24/10
• NVD
• Launchpad
• Debian

Bugs

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=852484