Critical severity · published Sep 24, 2019
CVE-2019-15699
An issue was discovered in app-layer-ssl.c in Suricata 4.1.4
9.1
CVSS
1.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
Suricata · Suricata-ids
4.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15699
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15699
Third Party Advisory
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/
Release Notes
https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/
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