Vulnerability CVE-2008-5659


Published: 2008-12-17   Modified: 2009-01-06

Description:
The gnu.java.security.util.PRNG class in GNU Classpath 0.97.2 and earlier uses a predictable seed based on the system time, which makes it easier for context-dependent attackers to conduct brute force attacks against cryptographic routines that use this class for randomness, as demonstrated against DSA private keys.

Type:

CWE-310

(Cryptographic Issues)

Vendor: GNU
Product: Classpath 
Version:
0.97.2
0.97.1
0.97
0.96.1
0.96
0.95
0.93
0.92
0.91
0.90
0.8
0.7
0.6
0.20
0.19
0.18
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.10

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://xforce.iss.net/xforce/xfdb/47574
http://www.openwall.com/lists/oss-security/2008/12/06/2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38417

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