NULL Pointer Dereference Affecting ncurses package, versions <6.1+20180210-3


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.05% (25th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-NCURSES-343166
  • published12 Nov 2018
  • disclosed12 Nov 2018

Introduced: 12 Nov 2018

CVE-2018-19211  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:unstable ncurses to version 6.1+20180210-3 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 Debian. See How to fix? for Debian:unstable 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.