CVE-2013-4345 Weak cryptography in n/a

What is CVE-2013-4345?

CVE-2013-4345 is a medium-severity vulnerability in Fedoraproject Fedora, published on 10 Oct 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.

Weakness: CWE-189

Which versions are affected by CVE-2013-4345?

It affects 4 products.

Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux, Redhat Enterprise Mrg.

How do I fix CVE-2013-4345?

Apply the vendor's patch.

Is CVE-2013-4345 being exploited?

There is no known exploitation of CVE-2013-4345 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2013-4345, GHSA-3pw5-42hr-wxmc.