Buffer overflow in GNU Ncurses
CVE-2017-16879
Stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted terminfo file, as demonstrated by tic.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: +0.000
Affected products
- GNU Ncurses — versions 6.0
- Invisible-Island Ncurses — versions 6.0
Weakness classification (CWE)
References
- packetstormsecurity.com/files/145045/GNU-ncurses-6.0-tic-Denial-Of-Service.html (VDB Entry, Third Party Advisory)
- security.gentoo.org/glsa/201804-13 (vendor-advisory, Third Party Advisory)
- invisible-island.net/ncurses/NEWS.html (Vendor Advisory)
- tools.cisco.com/security/center/viewAlert.x (Permissions Required, Third Party Advisory)
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a4508… (mailing-list)
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698… (mailing-list)
Frequently asked questions
- What is CVE-2017-16879?
- CVE-2017-16879 is a high-severity vulnerability in GNU Ncurses, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2017-11-22.
- How severe is CVE-2017-16879?
- High severity. CVSS v3 base score is 7.8 out of 10.