CVE-2015-8867 Weak cryptography in n/a
PHP's openssl_random_pseudo_bytes function uses a deprecated weak random number generator, allowing attackers to bypass cryptographic protections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8867?
CVE-2015-8867 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 22 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The openssl_random_pseudo_bytes function in ext/openssl/openssl.c in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 incorrectly relies on the deprecated RAND_pseudo_bytes function, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors.
Weakness: CWE-310
Which versions are affected by CVE-2015-8867?
It affects 2 products.
Products include Canonical Ubuntu Linux, Php Php.
How do I fix CVE-2015-8867?
Upgrade to a fixed version.
Is CVE-2015-8867 being exploited?
There is no known exploitation of CVE-2015-8867 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-33q5-mhvx-53mf, UBUNTU-CVE-2015-8867.