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CVE-2017-13728

Published: 29 August 2017

There is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A crafted input will lead to a remote denial of service attack.

Priority

Negligible

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
ncurses
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(6.1-1ubuntu1)
cosmic Not vulnerable
(6.1-1ubuntu1)
disco Not vulnerable
(6.1-1ubuntu1)
eoan Not vulnerable
(6.1-1ubuntu1)
focal Not vulnerable
(6.1-1ubuntu1)
groovy Not vulnerable
(6.1-1ubuntu1)
impish Not vulnerable
(6.1-1ubuntu1)
jammy Not vulnerable
(6.1-1ubuntu1)
upstream
Released (6.0+20170827-1)
zesty Ignored
(end of life)
hirsute Not vulnerable
(6.1-1ubuntu1)
trusty
Released (5.9+20140118-1ubuntu1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
xenial
Released (6.0+20160213-1ubuntu1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
other: ftp://ftp.invisible-island.net/ncurses/6.0/ncurses-6.0-20170826.patch.gz

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H