5.0med

CVE-2008-08521 exploit

freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which t…

Published 18 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
6.2%
percentile 94%
Public exploits
1
Exploit-DB

Summary

freeSSHd 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a SSH2_MSG_NEWKEYS packet to TCP port 22, which triggers a NULL pointer dereference.

Exploit prediction (EPSS)

6.23% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

Exploits and detections

  • EDB-31218 freeSSHd 1.2 - 'SSH2_MSG_NEWKEYS' Remote Denial of Service · dos · 2008-02-17

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

References

  • secunia.com /advisories/29002 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • vupen.com /english/advisories/2008/0591 · vdb-entry, x_refsource_VUPEN, x_transferred
  • securityfocus.com /archive/1/488363/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • aluigi.altervista.org /adv/freesshdnull-adv.txt · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/27845 · vdb-entry, x_refsource_BID, 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.