CVE-2019-15651 Memory corruption in n/a
A heap-based buffer over-read in wolfSSL allows attackers to cause denial of service or disclose sensitive information via crafted DER certificates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-15651?
CVE-2019-15651 is a critical memory corruption vulnerability in Wolfssl Wolfssl, published on 26 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.
Weakness: CWE-125
Which versions are affected by CVE-2019-15651?
It affects 1 product.
Products include Wolfssl Wolfssl.
How do I fix CVE-2019-15651?
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-2019-15651 being exploited?
There is no known exploitation of CVE-2019-15651 in the wild and no public exploit code.
Other vulnerabilities in Wolfssl Wolfssl
Sources
Also known as DEBIAN-CVE-2019-15651, GHSA-wgff-2g74-38qq, UBUNTU-CVE-2019-15651.