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 length of HSHelloExtensions does not match the real length of the HSHelloExtensions part of the packet.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (75.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Suricata-Ids Suricata — versions 4.1.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.openinfosecfoundation.org/pipermail/oisf-announce/ (Third Party Advisory)
- suricata-ids.org/2019/09/24/suricata-4-1-5-released/ (Release Notes, Vendor Advisory)
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.