CVE-2014-8151 Security feature bypass in n/a

Medium 5.8 Published 15 Jan 2015 Updated 6 Aug 2024

Man-in-the-middle attackers can spoof servers by exploiting a lack of certificate validation during TLS session reuse in libcurl's DarwinSSL backend.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2014-8151?

CVE-2014-8151 is a medium-severity vulnerability in Apple Mac Os X, published on 15 Jan 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The darwinssl_connect_step1 function in lib/vtls/curl_darwinssl.c in libcurl 7.31.0 through 7.39.0, when using the DarwinSSL (aka SecureTransport) back-end for TLS, does not check if a cached TLS session validated the certificate when reusing the session, which allows man-in-the-middle attackers to spoof servers via a crafted certificate.

Which versions are affected by CVE-2014-8151?

It affects 2 products.

Products include Apple Mac Os X, Haxx Libcurl.

How do I fix CVE-2014-8151?

Upgrade to a fixed version.

Is CVE-2014-8151 being exploited?

There is no known exploitation of CVE-2014-8151 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as CURL-CVE-2014-8151, GHSA-h2qh-xwfj-36gc.