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Last updated: 2/13/2016 1:58:30 AM

CVE Publication rate: 10.8

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Vulnerability Workload Index: 4.06
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National Cyber Awareness System

Vulnerability Summary for CVE-2008-0166

Original release date: 05/13/2008
Last revised: 02/21/2009


OpenSSL 0.9.8c-1 up to versions before 0.9.8g-9 on Debian-based operating systems uses a random number generator that generates predictable numbers, which makes it easier for remote attackers to conduct brute force guessing attacks against cryptographic keys.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.8 HIGH
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

Vendor Statements (disclaimer)

Official Statement from Red Hat (05/13/2008)
Not vulnerable. This flaw was caused by a third-party vendor patch to the OpenSSL library. This patch has never been used by Red Hat, and this issue therefore does not affect any Fedora, Red Hat, or upstream supplied OpenSSL packages.

References to Advisories, Solutions, and Tools

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External Source: MILW0RM
Name: 5622
External Source: BUGTRAQ
Name: 20080515 Debian generated SSH-Keys working exploit
External Source: UBUNTU
Name: USN-612-3
External Source: MLIST
Name: [rsyncrypto-devel] 20080523 Advisory - Rsyncrypto maybe affected from Debian OpenSSL reduced entropy problem
External Source: BID
Name: 29179
External Source: MILW0RM
Name: 5720
External Source: MILW0RM
Name: 5632
External Source: DEBIAN
Name: DSA-1576
Type: Patch Information
External Source: SECTRACK
Name: 1020017
External Source: UBUNTU
Name: USN-612-4
US-CERT Vulnerability Note: CERT
Name: TA08-137A
External Source: UBUNTU
Name: USN-612-7
External Source: XF
Name: openssl-rng-weak-security(42375)
External Source: DEBIAN
Name: DSA-1571
Type: Advisory; Patch Information
External Source: UBUNTU
Name: USN-612-1
Type: Patch Information
External Source: MISC
Name: http://metasploit.com/users/hdm/tools/debian-openssl/
US-CERT Vulnerability Note: CERT-VN
Name: VU#925211
External Source: UBUNTU
Name: USN-612-2
Type: Patch Information

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:openssl_project:openssl:0.9.8c-1
* cpe:/a:openssl_project:openssl:0.9.8c-2
* cpe:/a:openssl_project:openssl:0.9.8c-3
* cpe:/a:openssl_project:openssl:0.9.8c-4
* cpe:/a:openssl_project:openssl:0.9.8c-5
* cpe:/a:openssl_project:openssl:0.9.8c-6
* cpe:/a:openssl_project:openssl:0.9.8c-7
* cpe:/a:openssl_project:openssl:0.9.8c-8
* cpe:/a:openssl_project:openssl:0.9.8c-9
* cpe:/a:openssl_project:openssl:0.9.8d-1
* cpe:/a:openssl_project:openssl:0.9.8d-2
* cpe:/a:openssl_project:openssl:0.9.8d-3
* cpe:/a:openssl_project:openssl:0.9.8d-4
* cpe:/a:openssl_project:openssl:0.9.8d-5
* cpe:/a:openssl_project:openssl:0.9.8d-6
* cpe:/a:openssl_project:openssl:0.9.8d-7
* cpe:/a:openssl_project:openssl:0.9.8d-8
* cpe:/a:openssl_project:openssl:0.9.8d-9
* cpe:/a:openssl_project:openssl:0.9.8e-1
* cpe:/a:openssl_project:openssl:0.9.8e-2
* cpe:/a:openssl_project:openssl:0.9.8e-3
* cpe:/a:openssl_project:openssl:0.9.8e-4
* cpe:/a:openssl_project:openssl:0.9.8e-5
* cpe:/a:openssl_project:openssl:0.9.8e-6
* cpe:/a:openssl_project:openssl:0.9.8e-7
* cpe:/a:openssl_project:openssl:0.9.8e-8
* cpe:/a:openssl_project:openssl:0.9.8e-9
* cpe:/a:openssl_project:openssl:0.9.8f-1
* cpe:/a:openssl_project:openssl:0.9.8f-2
* cpe:/a:openssl_project:openssl:0.9.8f-3
* cpe:/a:openssl_project:openssl:0.9.8f-4
* cpe:/a:openssl_project:openssl:0.9.8f-5
* cpe:/a:openssl_project:openssl:0.9.8f-6
* cpe:/a:openssl_project:openssl:0.9.8f-7
* cpe:/a:openssl_project:openssl:0.9.8f-8
* cpe:/a:openssl_project:openssl:0.9.8f-9
* cpe:/a:openssl_project:openssl:0.9.8g-1
* cpe:/a:openssl_project:openssl:0.9.8g-2
* cpe:/a:openssl_project:openssl:0.9.8g-3
* cpe:/a:openssl_project:openssl:0.9.8g-4
* cpe:/a:openssl_project:openssl:0.9.8g-5
* cpe:/a:openssl_project:openssl:0.9.8g-6
* cpe:/a:openssl_project:openssl:0.9.8g-7
* cpe:/a:openssl_project:openssl:0.9.8g-8
* cpe:/a:openssl_project:openssl:0.9.8g-9

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)