What is CVE-2017-13734?

CVE-2017-13734 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-2017-13734?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2017-13734 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Gnu Ncurses

CVE-2017-13734

There is an illegal address access in the _nc_safe_strcat function in strings.c in ncurses 6.0 that will lead to a remote denial of service attack.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (52.5th percentile) — read the EPSS interpretation.

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.

Affected products

Gnu Ncurses — versions 6.0
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

yfoelling/yair

References

cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
cve@mitre.org (Exploit, Patch, VDB Entry, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-13734?: CVE-2017-13734 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-2017-13734?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-13734 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.