NULL Pointer Dereference Affecting ncurses package, versions <6.1-1ubuntu1.18.04
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1804-NCURSES-1189309
- published10 Sept 2020
- disclosed12 Nov 2018
Introduced: 12 Nov 2018
CVE-2018-19211 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 ncurses to version 6.1-1ubuntu1.18.04 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:18.04 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.