CVE-2017-5618

EUVD-2017-14715
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 86%
Affected Products (NVD)
VendorProductVersion
gnuscreen
𝑥
≤ 4.5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
screen
bookworm
4.9.0-4
fixed
bullseye
4.8.0-6
fixed
jessie
not-affected
sid
4.9.1-1
fixed
stretch
not-affected
trixie
4.9.1-1
fixed
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
screen
precise
not-affected
trusty
not-affected
xenial
not-affected
yakkety
not-affected
Common Weakness Enumeration
References
http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8
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
https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html
http://git.savannah.gnu.org/cgit/screen.git/patch/?id=1c6d2817926d30c9a7a97d99af7ac5de4a5845b8
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
https://lists.gnu.org/archive/html/screen-devel/2017-01/msg00025.html