What is CVE-2017-12966?

CVE-2017-12966 is a medium-severity vulnerability in Asn1c Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-08-20.

How severe is CVE-2017-12966?

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

Is CVE-2017-12966 known to be exploited?

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

Buffer overflow in Asn1c Project

CVE-2017-12966

The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (61.4th 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

Asn1c_project Asn1c — versions 0.9.28
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

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-12966?: CVE-2017-12966 is a medium-severity vulnerability in Asn1c Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-08-20.
How severe is CVE-2017-12966?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-12966 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.