Vulnerability in Gnu Libtasn1

CVE-2018-6003

An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

EPSS: 0.028 (85.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-6003?
CVE-2018-6003 is a high-severity vulnerability in Gnu Libtasn1, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2018-01-22.
How severe is CVE-2018-6003?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-6003 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.