7.5high

CVE-2008-56592 exploits

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…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.3%
percentile 89%
Public exploits
2
Exploit-DB

Summary

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.

Exploit prediction (EPSS)

3.35% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.

Exploits and detections

  • EDB-32674 GNU Classpath 0.97.2 - 'gnu.java.security.util.PRNG' Class Entropy (2) · remote · 2008-12-05
  • EDB-32673 GNU Classpath 0.97.2 - 'gnu.java.security.util.PRNG' Class Entropy (1) · remote · 2008-12-05

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

  • exchange.xforce.ibmcloud.com /vulnerabilities/47574 · vdb-entry, x_refsource_XF, x_transferred
  • gcc.gnu.org /bugzilla/show_bug.cgi?id=38417 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2008/12/06/2 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.