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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.


Security Impact Summary

CVE-2013-4345 is a security vulnerability that . Impacting 4 products from linux, from fedoraproject, from redhat and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2013-10-10T10:55:06.380

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.8 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-189

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 3.11.4 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0 Yes
Operating System linux linux_kernel 3.0.1 Yes
Operating System linux linux_kernel 3.0.2 Yes
Operating System linux linux_kernel 3.0.3 Yes
Operating System linux linux_kernel 3.0.4 Yes
Operating System linux linux_kernel 3.0.5 Yes
Operating System linux linux_kernel 3.0.6 Yes
Operating System linux linux_kernel 3.0.7 Yes
Operating System linux linux_kernel 3.0.8 Yes
Operating System linux linux_kernel 3.0.9 Yes
Operating System linux linux_kernel 3.0.10 Yes
Operating System linux linux_kernel 3.0.11 Yes
Operating System linux linux_kernel 3.0.12 Yes
Operating System linux linux_kernel 3.0.13 Yes
Operating System linux linux_kernel 3.0.14 Yes
Operating System linux linux_kernel 3.0.15 Yes
Operating System linux linux_kernel 3.0.16 Yes
Operating System linux linux_kernel 3.0.17 Yes
Operating System linux linux_kernel 3.0.18 Yes
Operating System linux linux_kernel 3.0.19 Yes
Operating System linux linux_kernel 3.0.20 Yes
Operating System linux linux_kernel 3.0.21 Yes
Operating System linux linux_kernel 3.0.22 Yes
Operating System linux linux_kernel 3.0.23 Yes
Operating System linux linux_kernel 3.0.24 Yes
Operating System linux linux_kernel 3.0.25 Yes
Operating System linux linux_kernel 3.0.26 Yes
Operating System linux linux_kernel 3.0.27 Yes
Operating System linux linux_kernel 3.0.28 Yes
Operating System linux linux_kernel 3.0.29 Yes
Operating System linux linux_kernel 3.0.30 Yes
Operating System linux linux_kernel 3.0.31 Yes
Operating System linux linux_kernel 3.0.32 Yes
Operating System linux linux_kernel 3.0.33 Yes
Operating System linux linux_kernel 3.0.34 Yes
Operating System linux linux_kernel 3.0.35 Yes
Operating System linux linux_kernel 3.0.36 Yes
Operating System linux linux_kernel 3.0.37 Yes
Operating System linux linux_kernel 3.0.38 Yes
Operating System linux linux_kernel 3.0.39 Yes
Operating System linux linux_kernel 3.0.40 Yes
Operating System linux linux_kernel 3.0.41 Yes
Operating System linux linux_kernel 3.0.42 Yes
Operating System linux linux_kernel 3.0.43 Yes
Operating System linux linux_kernel 3.0.44 Yes
Operating System linux linux_kernel 3.0.45 Yes
Operating System linux linux_kernel 3.0.46 Yes
Operating System linux linux_kernel 3.0.47 Yes
Operating System linux linux_kernel 3.0.48 Yes
Operating System linux linux_kernel 3.0.49 Yes
Operating System linux linux_kernel 3.0.50 Yes
Operating System linux linux_kernel 3.0.51 Yes
Operating System linux linux_kernel 3.0.52 Yes
Operating System linux linux_kernel 3.0.53 Yes
Operating System linux linux_kernel 3.0.54 Yes
Operating System linux linux_kernel 3.0.55 Yes
Operating System linux linux_kernel 3.0.56 Yes
Operating System linux linux_kernel 3.0.57 Yes
Operating System linux linux_kernel 3.0.58 Yes
Operating System linux linux_kernel 3.0.59 Yes
Operating System linux linux_kernel 3.0.60 Yes
Operating System linux linux_kernel 3.0.61 Yes
Operating System linux linux_kernel 3.0.62 Yes
Operating System linux linux_kernel 3.0.63 Yes
Operating System linux linux_kernel 3.0.64 Yes
Operating System linux linux_kernel 3.0.65 Yes
Operating System linux linux_kernel 3.0.66 Yes
Operating System linux linux_kernel 3.0.67 Yes
Operating System linux linux_kernel 3.0.68 Yes
Operating System linux linux_kernel 3.1 Yes
Operating System linux linux_kernel 3.1 Yes
Operating System linux linux_kernel 3.1 Yes
Operating System linux linux_kernel 3.1 Yes
Operating System linux linux_kernel 3.1 Yes
Operating System linux linux_kernel 3.1.1 Yes
Operating System linux linux_kernel 3.1.2 Yes
Operating System linux linux_kernel 3.1.3 Yes
Operating System linux linux_kernel 3.1.4 Yes
Operating System linux linux_kernel 3.1.5 Yes
Operating System linux linux_kernel 3.1.6 Yes
Operating System linux linux_kernel 3.1.7 Yes
Operating System linux linux_kernel 3.1.8 Yes
Operating System linux linux_kernel 3.1.9 Yes
Operating System linux linux_kernel 3.1.10 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2 Yes
Operating System linux linux_kernel 3.2.1 Yes
Operating System linux linux_kernel 3.2.2 Yes
Operating System linux linux_kernel 3.2.3 Yes
Operating System linux linux_kernel 3.2.4 Yes
Operating System linux linux_kernel 3.2.5 Yes
Operating System linux linux_kernel 3.2.6 Yes
Operating System linux linux_kernel 3.2.7 Yes
Operating System linux linux_kernel 3.2.8 Yes
Operating System linux linux_kernel 3.2.9 Yes
Operating System linux linux_kernel 3.2.10 Yes
Operating System linux linux_kernel 3.2.11 Yes
Operating System linux linux_kernel 3.2.12 Yes
Operating System linux linux_kernel 3.2.13 Yes
Operating System linux linux_kernel 3.2.14 Yes
Operating System linux linux_kernel 3.2.15 Yes
Operating System linux linux_kernel 3.2.16 Yes
Operating System linux linux_kernel 3.2.17 Yes
Operating System linux linux_kernel 3.2.18 Yes
Operating System linux linux_kernel 3.2.19 Yes
Operating System linux linux_kernel 3.2.20 Yes
Operating System linux linux_kernel 3.2.21 Yes
Operating System linux linux_kernel 3.2.22 Yes
Operating System linux linux_kernel 3.2.23 Yes
Operating System linux linux_kernel 3.2.24 Yes
Operating System linux linux_kernel 3.2.25 Yes
Operating System linux linux_kernel 3.2.26 Yes
Operating System linux linux_kernel 3.2.27 Yes
Operating System linux linux_kernel 3.2.28 Yes
Operating System linux linux_kernel 3.2.29 Yes
Operating System linux linux_kernel 3.2.30 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3 Yes
Operating System linux linux_kernel 3.3.1 Yes
Operating System linux linux_kernel 3.3.2 Yes
Operating System linux linux_kernel 3.3.3 Yes
Operating System linux linux_kernel 3.3.4 Yes
Operating System linux linux_kernel 3.3.5 Yes
Operating System linux linux_kernel 3.3.6 Yes
Operating System linux linux_kernel 3.3.7 Yes
Operating System linux linux_kernel 3.3.8 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4 Yes
Operating System linux linux_kernel 3.4.1 Yes
Operating System linux linux_kernel 3.4.2 Yes
Operating System linux linux_kernel 3.4.3 Yes
Operating System linux linux_kernel 3.4.4 Yes
Operating System linux linux_kernel 3.4.5 Yes
Operating System linux linux_kernel 3.4.6 Yes
Operating System linux linux_kernel 3.4.7 Yes
Operating System linux linux_kernel 3.4.8 Yes
Operating System linux linux_kernel 3.4.9 Yes
Operating System linux linux_kernel 3.4.10 Yes
Operating System linux linux_kernel 3.4.11 Yes
Operating System linux linux_kernel 3.4.12 Yes
Operating System linux linux_kernel 3.4.13 Yes
Operating System linux linux_kernel 3.4.14 Yes
Operating System linux linux_kernel 3.4.15 Yes
Operating System linux linux_kernel 3.4.16 Yes
Operating System linux linux_kernel 3.4.17 Yes
Operating System linux linux_kernel 3.4.18 Yes
Operating System linux linux_kernel 3.4.19 Yes
Operating System linux linux_kernel 3.4.20 Yes
Operating System linux linux_kernel 3.4.21 Yes
Operating System linux linux_kernel 3.4.22 Yes
Operating System linux linux_kernel 3.4.23 Yes
Operating System linux linux_kernel 3.4.24 Yes
Operating System linux linux_kernel 3.4.25 Yes
Operating System linux linux_kernel 3.4.26 Yes
Operating System linux linux_kernel 3.4.27 Yes
Operating System linux linux_kernel 3.4.28 Yes
Operating System linux linux_kernel 3.4.29 Yes
Operating System linux linux_kernel 3.4.30 Yes
Operating System linux linux_kernel 3.4.31 Yes
Operating System linux linux_kernel 3.4.32 Yes
Operating System linux linux_kernel 3.5.1 Yes
Operating System linux linux_kernel 3.5.2 Yes
Operating System linux linux_kernel 3.5.3 Yes
Operating System linux linux_kernel 3.5.4 Yes
Operating System linux linux_kernel 3.5.5 Yes
Operating System linux linux_kernel 3.5.6 Yes
Operating System linux linux_kernel 3.5.7 Yes
Operating System linux linux_kernel 3.6 Yes
Operating System linux linux_kernel 3.6.1 Yes
Operating System linux linux_kernel 3.6.2 Yes
Operating System linux linux_kernel 3.6.3 Yes
Operating System linux linux_kernel 3.6.4 Yes
Operating System linux linux_kernel 3.6.5 Yes
Operating System linux linux_kernel 3.6.6 Yes
Operating System linux linux_kernel 3.6.7 Yes
Operating System linux linux_kernel 3.6.8 Yes
Operating System linux linux_kernel 3.6.9 Yes
Operating System linux linux_kernel 3.6.10 Yes
Operating System linux linux_kernel 3.6.11 Yes
Operating System linux linux_kernel 3.7 Yes
Operating System linux linux_kernel 3.7.1 Yes
Operating System linux linux_kernel 3.7.2 Yes
Operating System linux linux_kernel 3.7.3 Yes
Operating System linux linux_kernel 3.7.4 Yes
Operating System linux linux_kernel 3.7.5 Yes
Operating System linux linux_kernel 3.7.6 Yes
Operating System linux linux_kernel 3.7.7 Yes
Operating System linux linux_kernel 3.7.8 Yes
Operating System linux linux_kernel 3.7.9 Yes
Operating System linux linux_kernel 3.7.10 Yes
Operating System linux linux_kernel 3.8.0 Yes
Operating System linux linux_kernel 3.8.1 Yes
Operating System linux linux_kernel 3.8.2 Yes
Operating System linux linux_kernel 3.8.3 Yes
Operating System linux linux_kernel 3.8.4 Yes
Operating System linux linux_kernel 3.8.5 Yes
Operating System linux linux_kernel 3.8.6 Yes
Operating System linux linux_kernel 3.8.7 Yes
Operating System linux linux_kernel 3.8.8 Yes
Operating System linux linux_kernel 3.8.9 Yes
Operating System linux linux_kernel 3.8.10 Yes
Operating System linux linux_kernel 3.8.11 Yes
Operating System linux linux_kernel 3.8.12 Yes
Operating System linux linux_kernel 3.8.13 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9 Yes
Operating System linux linux_kernel 3.9.0 Yes
Operating System linux linux_kernel 3.9.1 Yes
Operating System linux linux_kernel 3.9.2 Yes
Operating System linux linux_kernel 3.9.3 Yes
Operating System linux linux_kernel 3.9.4 Yes
Operating System linux linux_kernel 3.9.5 Yes
Operating System linux linux_kernel 3.9.6 Yes
Operating System linux linux_kernel 3.9.7 Yes
Operating System linux linux_kernel 3.9.8 Yes
Operating System linux linux_kernel 3.9.9 Yes
Operating System linux linux_kernel 3.9.10 Yes
Operating System linux linux_kernel 3.9.11 Yes
Operating System linux linux_kernel 3.10.1 Yes
Operating System linux linux_kernel 3.10.2 Yes
Operating System linux linux_kernel 3.10.3 Yes
Operating System linux linux_kernel 3.10.4 Yes
Operating System linux linux_kernel 3.10.5 Yes
Operating System linux linux_kernel 3.10.6 Yes
Operating System linux linux_kernel 3.10.7 Yes
Operating System linux linux_kernel 3.10.8 Yes
Operating System linux linux_kernel 3.10.9 Yes
Operating System linux linux_kernel 3.10.10 Yes
Operating System linux linux_kernel 3.10.11 Yes
Operating System linux linux_kernel 3.10.12 Yes
Operating System linux linux_kernel 3.11 Yes
Operating System linux linux_kernel 3.11.1 Yes
Operating System linux linux_kernel 3.11.2 Yes
Operating System linux linux_kernel 3.11.3 Yes
Operating System fedoraproject fedora 18 Yes
Operating System fedoraproject fedora 19 Yes
Operating System redhat enterprise_linux 5 Yes
Operating System redhat enterprise_linux 6.0 Yes
Operating System redhat enterprise_mrg 2.0 Yes
Operating System redhat enterprise_mrg 2.1 Yes
Operating System redhat enterprise_mrg 2.2 Yes
Operating System redhat enterprise_mrg 2.3 Yes
Operating System redhat enterprise_mrg 2.4 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.