Buffer overflow in GNU Ncurses
CVE-2020-19186
Buffer Overflow vulnerability in _nc_find_entry function in tinfo/comp_hash.c:66 in ncurses 6.1 allows remote attackers to cause a denial of service via crafted command.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: +0.000
Affected products
- GNU Ncurses — versions 6.1
- Invisible-Island Ncurses — versions 6.1
- NetApp Active Iq Unified Manager
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/zjuchenyuan/fuzzpoc/blob/master/infotocap_poc2.md (Exploit, Third Party Advisory)
- security.netapp.com/advisory/ntap-20231006-0005/ (Third Party Advisory)
- support.apple.com/kb/HT214038
- support.apple.com/kb/HT214036
- support.apple.com/kb/HT214037
- seclists.org/fulldisclosure/2023/Dec/9 (mailing-list)
- seclists.org/fulldisclosure/2023/Dec/10 (mailing-list)
- seclists.org/fulldisclosure/2023/Dec/11 (mailing-list)
Frequently asked questions
- What is CVE-2020-19186?
- CVE-2020-19186 is a medium-severity vulnerability in GNU Ncurses, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2023-08-22.
- How severe is CVE-2020-19186?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-19186 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.