CVE-2015-3194 Null dereference in n/a
Remote attackers can crash applications using OpenSSL by sending malformed RSA PSS signatures, causing 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-2015-3194?
CVE-2015-3194 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 6 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
crypto/rsa/rsa_ameth.c in OpenSSL 1.0.1 before 1.0.1q and 1.0.2 before 1.0.2e allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an RSA PSS ASN.1 signature that lacks a mask generation function parameter.
Weakness: CWE-476
Which versions are affected by CVE-2015-3194?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Nodejs Node.js, Openssl Openssl.
How do I fix CVE-2015-3194?
Upgrade to a fixed version.
Is CVE-2015-3194 being exploited?
There is no known exploitation of CVE-2015-3194 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2015-3194, GHSA-g2vh-4463-xcx8, UBUNTU-CVE-2015-3194.