Out-of-bounds Read in Suricata-ids Suricata

CVE-2019-15699

An issue was discovered in app-layer-ssl.c in Suricata 4.1.4. Upon receiving a corrupted SSLv3 (TLS 1.2) packet, the parser function TLSDecodeHSHelloExtensions tries to access a memory region that is not allocated, because the expected len…

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-15699?
CVE-2019-15699 is a critical-severity vulnerability in Suricata-ids Suricata, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2019-09-24.
How severe is CVE-2019-15699?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2019-15699 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.