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Vulnerability Details : CVE-2007-4311

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.
Publish Date : 2007-08-13 Last Update Date : 2011-05-25
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 310

- Related OVAL Definitions

Title Definition Id Class Family
DSA-1503 kernel-source-2.4.27 -- several vulnerabilities oval:org.mitre.oval:def:8063 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-4311

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.4.34 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2007-4311

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git;a=commit;h=faa3369ac2ea7feb0dd266b6a5e8d6ab153cf925 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.4.34.y.git;a=commit;h=bd67d4c7b11cc33ebdc346bc8926d255b354cd64 CONFIRM
http://www.debian.org/security/2008/dsa-1503
DEBIAN DSA-1503
http://secunia.com/advisories/29058
SECUNIA 29058
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.35 CONFIRM
http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.34.6 CONFIRM
http://www.securityfocus.com/bid/25029
BID 25029 Linux Kernel Random.C Device Reseed Weakness Release Date:2009-01-08
http://www.vupen.com/english/advisories/2007/2690
VUPEN ADV-2007-2690

- Metasploit Modules Related To CVE-2007-4311

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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