Buffer overflow in GNU Ncurses
CVE-2017-13731
There is an illegal address access in the function postprocess_termcap() in parse_entry.c in ncurses 6.0 that will lead to a remote denial of service attack.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: +0.000
Affected products
- GNU Ncurses — versions 6.0
- Invisible-Island Ncurses — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201804-13 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Exploit, VDB Entry, Third Party Advisory, Issue Tracking)
- lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a4508… (mailing-list)
- lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698… (mailing-list)
Frequently asked questions
- What is CVE-2017-13731?
- CVE-2017-13731 is a medium-severity vulnerability in GNU Ncurses, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-08-29.
- How severe is CVE-2017-13731?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-13731 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.