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Last updated: 7/29/2014 8:49:29 AM

CVE Publication rate: 20.53

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Vulnerability Workload Index: 7.53
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National Cyber Awareness System

Vulnerability Summary for CVE-2007-4311

Original release date: 08/13/2007
Last revised: 05/25/2011
Source: US-CERT/NIST

Overview

The xfer_secondary_pool function in drivers/char/random.c in the Linux kernel 2.4 before 2.4.35 performs reseed operations on only the first few bytes of a buffer, which might make it easier for attackers to predict the output of the random number generator, related to incorrect use of the sizeof operator.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 29058
Type: Advisory
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git;a=commit;h=bd67d4c7b11cc33ebdc346bc8926d255b354cd64
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34.6
External Source: VUPEN
Name: ADV-2007-2690
Type: Advisory
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git;a=commit;h=faa3369ac2ea7feb0dd266b6a5e8d6ab153cf925
External Source: BID
Name: 25029
External Source: DEBIAN
Name: DSA-1503

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