CVE-2014-1491 Weak cryptography in n/a

Medium 4.3 Published Updated

Remote attackers can bypass cryptographic protections in ticket handling due to improper restriction of Diffie-Hellman public values in the NSS library.

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

What is CVE-2014-1491?

CVE-2014-1491 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 6 Feb 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Mozilla Network Security Services (NSS) before 3.15.4, as used in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, SeaMonkey before 2.24, and other products, does not properly restrict public values in Diffie-Hellman key exchanges, which makes it easier for remote attackers to bypass cryptographic protection mechanisms in ticket handling by leveraging use of a certain value.

Weakness: CWE-326

Which versions are affected by CVE-2014-1491?

It affects 13 products.

Linux distribution packages (1)
rhev-hypervisor6 Red Hat:enterprise_linux:6::hypervisorAll versions0:6.5-20140725.0.el6ev

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Mozilla Firefox, Mozilla Network Security Services, Mozilla Seamonkey and 7 more.

How do I fix CVE-2014-1491?

Upgrade to a fixed version.

Is CVE-2014-1491 being exploited?

There is no known exploitation of CVE-2014-1491 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-1491, GHSA-v496-3mj8-fpc6, RHSA-2014:0979.

Is CVE-2014-1491 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free