CVE-2019-15699 Memory corruption in n/a
A crafted SSLv3 packet causes Suricata to access unallocated memory, leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15699?
CVE-2019-15699 is a critical memory corruption vulnerability in n/a, published on 24 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-125
Which versions are affected by CVE-2019-15699?
It affects 1 product.
Products include Suricata-Ids Suricata.
How do I fix CVE-2019-15699?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-15699 being exploited?
There is no known exploitation of CVE-2019-15699 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-15699, GHSA-372v-6jcg-5gvf, UBUNTU-CVE-2019-15699.