CVE-2014-1491 Weak cryptography in n/a
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::hypervisor | All versions | 0:6.5-20140725.0.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.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2014-1491, GHSA-v496-3mj8-fpc6, RHSA-2014:0979.