CVE-2021-39537
Published: August 31, 2023Last modified: August 31, 2023
Description
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ncurses | Not affected (6.3_p20221119-r1) |
| Stream | ncurses | Not affected (6.4_p20230722-r0) |
References
- http://cvsweb.netbsd.org/bsdweb.cgi/pkgsrc/devel/ncurses/patches/patch-ncurses_tinfo_captoinfo.c?rev=1.1&content-type=text/x-cvsweb-markup
- http://seclists.org/fulldisclosure/2022/Oct/28
- http://seclists.org/fulldisclosure/2022/Oct/41
- http://seclists.org/fulldisclosure/2022/Oct/43
- http://seclists.org/fulldisclosure/2022/Oct/45
- https://lists.debian.org/debian-lts-announce/2023/12/msg00004.html
- https://lists.gnu.org/archive/html/bug-ncurses/2020-08/msg00006.html
- https://lists.gnu.org/archive/html/bug-ncurses/2021-10/msg00023.html
- https://security.netapp.com/advisory/ntap-20230427-0012/
- https://support.apple.com/kb/HT213443
- https://support.apple.com/kb/HT213444
- https://support.apple.com/kb/HT213488