CVE-2017-15135 Auth bypass in 389-ds-base
Remote attackers can bypass authentication in 389-ds-base due to flawed hash comparison logic, gaining unauthorized access under specific conditions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-15135?
CVE-2017-15135 is a high-severity authentication bypass vulnerability in Red Hat, Inc. 389-ds-base, published on 24 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
It was found that 389-ds-base since 1.3.6.1 up to and including 1.4.0.3 did not always handle internal hash comparison operations correctly during the authentication process. A remote, unauthenticated attacker could potentially use this flaw to bypass the authentication process under very rare and specific circumstances.
Weakness: CWE-287
Which versions are affected by CVE-2017-15135?
It affects 1 product.
Products include Fedoraproject 389 Directory Server.
How do I fix CVE-2017-15135?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-15135 being exploited?
There is no known exploitation of CVE-2017-15135 in the wild and no public exploit code.
Other vulnerabilities in Red Hat, Inc. 389-ds-base
Sources
Also known as DEBIAN-CVE-2017-15135, GHSA-frrc-qvjw-hwj9, MGASA-2018-0193.