CVE-2019-15699

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.61%
Vendor Advisory suricata-ids.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.openinfosecfoundation.org/pipermail/oisf-announce/ third party advisory
https://suricata-ids.org/2019/09/24/suricata-4-1-5-released/ release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-15699?
CVE-2019-15699 has been scored as a critical severity vulnerability.
How to fix CVE-2019-15699?
To fix CVE-2019-15699, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-15699 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-15699 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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