Vulnerability in OpenBSD OpenSSH
CVE-2006-4924
sshd in OpenSSH before 4.4, when using the version 1 SSH protocol, allows remote attackers to cause a denial of service (CPU consumption) via an SSH packet that contains duplicate blocks, which is not properly handled by the CRC compensation attack detector.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.375 (98.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.375 · newest: 0.375 · change: 0.000
Affected products
- OpenBSD OpenSSH — versions 1.2, 1.2.1, 1.2.2
Weakness classification (CWE)
References
- security.freebsd.org/advisories/FreeBSD-SA-06:22.openssh.asc (vendor-advisory)
- sourceforge.net/forum/forum.php
- blogs.sun.com/security/entry/sun_alert_102962_security_vulnerability
- secunia.com/advisories/22270 (Vendor Advisory, third-party-advisory)
- itrc.hp.com/service/cki/docDisplay.do (vendor-advisory)
- secunia.com/advisories/23038 (Vendor Advisory, third-party-advisory)
- www.ubuntu.com/usn/usn-355-1 (vendor-advisory)
- www.trustix.org/errata/2006/0054 (vendor-advisory)
- www.vmware.com/support/vi3/doc/esx-3069097-patch.html
- www.vupen.com/english/advisories/2006/4401 (vdb-entry)