Vulnerability in OpenBSD OpenSSH
CVE-2006-4925
packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service (crash) by sending an invalid protocol sequence with USERAUTH_SUCCESS before NEWKEYS, which causes newkeys[mode] to be NULL.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.152 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.152 · newest: 0.152 · change: 0.000
Affected products
- OpenBSD OpenSSH — versions 4.5
Public proof-of-concept exploits
References
- secunia.com/advisories/23038 (third-party-advisory)
- www.securityfocus.com/archive/1/447861/100/200/threaded (mailing-list)
- www.novell.com/linux/security/advisories/2006_24_sr.html (vendor-advisory)
- www.novell.com/linux/security/advisories/2006_62_openssh.html (vendor-advisory)
- issues.rpath.com/browse/RPL-681
- secunia.com/advisories/22298 (third-party-advisory)
- www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff
- secunia.com/advisories/22495 (third-party-advisory)
- www.securityfocus.com/archive/1/447153/100/0/threaded (mailing-list)
- www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html (vendor-advisory)
Frequently asked questions
- What is CVE-2006-4925?
- CVE-2006-4925 is a vulnerability in OpenBSD OpenSSH. Published 2006-09-29.
- Is CVE-2006-4925 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.