| Name | CVE-2020-19190 |
| Description | Buffer Overflow vulnerability in _nc_find_entry in tinfo/comp_hash.c:70 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | ELA-643-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ncurses (PTS) | jessie, jessie (lts) | 5.9+20140913-1+deb8u6 | fixed |
| stretch (lts), stretch | 6.0+20161126-1+deb9u5 | fixed |
| buster (security), buster, buster (lts) | 6.1+20181013-2+deb10u5 | fixed |
| bullseye | 6.2+20201114-2+deb11u2 | fixed |
| bookworm | 6.4-4 | fixed |
| sid, trixie | 6.5-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ncurses | source | jessie | 5.9+20140913-1+deb8u4 | | ELA-643-1 | |
| ncurses | source | stretch | 6.0+20161126-1+deb9u3 | | ELA-643-1 | |
| ncurses | source | buster | 6.1+20181013-2+deb10u2 | | | |
| ncurses | source | (unstable) | 6.1+20191019-1 | | | |
Notes
https://github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc6.md
Fixed in 20191012 with followups in 20191015 and 20191019 patchlevels
https://lists.gnu.org/archive/html/bug-ncurses/2019-10/index.html
CVE-2020-19190 seems to be a duplicate of CVE-2019-17594 but keep distinct for now