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CVE-2013-4345

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.

POC

Reference

- http://www.ubuntu.com/usn/USN-2065-1

- http://www.ubuntu.com/usn/USN-2070-1

- http://www.ubuntu.com/usn/USN-2074-1

- http://www.ubuntu.com/usn/USN-2076-1

Github

No PoCs found on GitHub currently.