National Cyber-Alert System
Vulnerability Summary for CVE-2007-5502
Original release date:12/01/2007
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
The PRNG implementation for the OpenSSL FIPS Object Module 1.1.1 does not perform auto-seeding during the FIPS self-test, which generates random data that is more predictable than expected and makes it easier for attackers to bypass protection mechanisms that rely on the randomness.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
4.9
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; Allows unauthorized modification
Official Statement from Red Hat (12/03/2007)
Not vulnerable. This vulnerability only affected the OpenSSL FIPS Object Module which is not enabled or used by OpenSSL in Red Hat Enterprise Linux 2.1, 3, 4, or 5.
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#150249
Name: VU#150249
External Source: BID
Name: 26652
Type: Patch Information
External Source: SECUNIA
Name: 27859
Type: Advisory; Patch Information
External Source: XF
Name: openssl-fips-prng-security-bypass(38796)
External Source: SECTRACK
Name: 1019029
External Source: CONFIRM
Name: http://www.openssl.org/news/secadv_20071129.txt
External Source: VUPEN
Name: ADV-2007-4044
Type: Advisory
