Vulnerability Report

CVE-2013-4345

Title: Redhat Enterprise Linux Cryptographic Failures

Other

Proof Of Concept

No public PoC currently indexed for CVE-2013-4345.

CWE Category CWE-189

Published Date Oct 10, 2013

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.8 CVSS v2.0

Exploit Probability (EPSS)

3.18%

Vulnerability Summary

CVE-2013-4345: 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.

Impacted Vendors

Reference Links

http://marc.info/?l=linux-crypto-vger&m=137942122902845&w=2 http://rhn.redhat.com/errata/RHSA-2013-1449.html http://rhn.redhat.com/errata/RHSA-2013-1490.html http://rhn.redhat.com/errata/RHSA-2013-1645.html http://www.securityfocus.com/bid/62740 http://www.ubuntu.com/usn/USN-2064-1 http://www.ubuntu.com/usn/USN-2065-1 http://www.ubuntu.com/usn/USN-2068-1 http://www.ubuntu.com/usn/USN-2070-1 http://www.ubuntu.com/usn/USN-2071-1 http://www.ubuntu.com/usn/USN-2072-1 http://www.ubuntu.com/usn/USN-2074-1 http://www.ubuntu.com/usn/USN-2075-1 http://www.ubuntu.com/usn/USN-2076-1 http://www.ubuntu.com/usn/USN-2109-1 http://www.ubuntu.com/usn/USN-2110-1 http://www.ubuntu.com/usn/USN-2158-1 https://bugzilla.redhat.com/show_bug.cgi?id=1007690 http://marc.info/?l=linux-crypto-vger&m=137942122902845&w=2 http://rhn.redhat.com/errata/RHSA-2013-1449.html http://rhn.redhat.com/errata/RHSA-2013-1490.html http://rhn.redhat.com/errata/RHSA-2013-1645.html http://www.securityfocus.com/bid/62740 http://www.ubuntu.com/usn/USN-2064-1 http://www.ubuntu.com/usn/USN-2065-1 http://www.ubuntu.com/usn/USN-2068-1 http://www.ubuntu.com/usn/USN-2070-1 http://www.ubuntu.com/usn/USN-2071-1 http://www.ubuntu.com/usn/USN-2072-1 http://www.ubuntu.com/usn/USN-2074-1 http://www.ubuntu.com/usn/USN-2075-1 http://www.ubuntu.com/usn/USN-2076-1 http://www.ubuntu.com/usn/USN-2109-1 http://www.ubuntu.com/usn/USN-2110-1 http://www.ubuntu.com/usn/USN-2158-1 https://bugzilla.redhat.com/show_bug.cgi?id=1007690

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-4345 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

October 10, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected Stack

No specific products linked.