NULL Pointer Dereference Affecting ncurses package, versions <6.0+20160213-1ubuntu1+esm2
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Availability
High
Threat Intelligence
EPSS
0.06% (23rd
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1604-NCURSES-1189310
- published 10 Sep 2020
- disclosed 12 Nov 2018
Introduced: 12 Nov 2018
CVE-2018-19211 Open this link in a new tabHow to fix?
Upgrade Ubuntu:16.04 ncurses to version 6.0+20160213-1ubuntu1+esm2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ncurses package and not the ncurses package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
In ncurses 6.1, there is a NULL pointer dereference at function _nc_parse_entry in parse_entry.c that will lead to a denial of service attack. The product proceeds to the dereference code path even after a "dubious character `*' in name or alias field" detection.