CVE-2014-0139 Security feature bypass in n/a

Medium 5.8 Published Updated

Man-in-the-middle attackers can spoof SSL servers by exploiting wildcard IP recognition in X.509 certificates when using specific TLS libraries.

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

What is CVE-2014-0139?

CVE-2014-0139 is a medium-severity vulnerability in Haxx Curl, published on 15 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

cURL and libcurl 7.1 before 7.36.0, when using the OpenSSL, axtls, qsossl or gskit libraries for TLS, recognize a wildcard IP address in the subject's Common Name (CN) field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

Weakness: CWE-310

Which versions are affected by CVE-2014-0139?

It affects 2 products.

Linux distribution packages (1)
lftp openSUSE:TumbleweedAll versions4.7.4-1.1

Products include Haxx Curl, Haxx Libcurl.

How do I fix CVE-2014-0139?

Upgrade to a fixed version.

Is CVE-2014-0139 being exploited?

There is no known exploitation of CVE-2014-0139 in the wild and no public exploit code.

All Haxx Curl vulnerabilities

Sources

Also known as ALPINE-CVE-2014-0139, CLEANSTART-2026-CU80287, CURL-CVE-2014-0139, DEBIAN-CVE-2014-0139, GHSA-vwm2-85hg-5h4q, MGASA-2015-0165 and 1 more.

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