Buffer overflow in Gnu Ncurses
CVE-2023-29491
ncurses before 6.4 20230408, when used by a setuid application, allows local users to trigger security-relevant memory corruption via malformed data in a terminfo database file that is found in $HOME/.terminfo or reached via the TERMINFO or TERM environment variable.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Ncurses
- Invisible-island Ncurses
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Mailing List)
- cve@mitre.org
- cve@mitre.org (Mailing List)
- cve@mitre.org (mailing-list, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Exploit, Mailing List, Third Party Advisory)
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2023-29491?
- CVE-2023-29491 is a high-severity vulnerability in Gnu Ncurses, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-04-14.
- How severe is CVE-2023-29491?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-29491 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.