CVE-2015-5894 Security feature bypass in n/a
Man-in-the-middle attackers can spoof endpoints by exploiting a flaw in macOS certificate revocation checking that ignores required positive responses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-5894?
CVE-2015-5894 is a medium-severity vulnerability in Apple Mac Os X, published on 9 Oct 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The X.509 certificate-trust implementation in Apple OS X before 10.11 does not recognize that the kSecRevocationRequirePositiveResponse flag implies a revocation-checking requirement, which makes it easier for man-in-the-middle attackers to spoof endpoints by leveraging access to a revoked certificate.
Weakness: CWE-17
Which versions are affected by CVE-2015-5894?
It affects 1 product.
Products include Apple Mac Os X.
How do I fix CVE-2015-5894?
No fix has been published for CVE-2015-5894 yet. Limit exposure of the affected software until one is available.
Is CVE-2015-5894 being exploited?
There is no known exploitation of CVE-2015-5894 in the wild and no public exploit code.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-77w5-p2v7-hh9q.