Off-by-one Error Affecting kernel-bootwrapper package, versions <0:2.6.32-431.el6


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.59% (79th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELBOOTWRAPPER-2090451
  • published26 Jul 2021
  • disclosed17 Sept 2013

Introduced: 17 Sep 2013

CVE-2013-4345  (opens in a new tab)
CWE-193  (opens in a new tab)

How to fix?

Upgrade Centos:6 kernel-bootwrapper to version 0:2.6.32-431.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1