Auth bypass in Mit Kerberos 5
CVE-2007-0956
The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.298 (98.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.298 · newest: 0.298 · change: 0.000
Affected products
- Mit Kerberos 5
- Canonical Ubuntu Linux — versions 5.10, 6.06, 6.10
- Debian Linux — versions 3.1, 4.0
Weakness classification (CWE)
References
- www.vupen.com/english/advisories/2007/1218 (Third Party Advisory, vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:10046 (Broken Link, signature, Third Party Advisory, vdb-entry)
- www.securityfocus.com/archive/1/464590/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
- secunia.com/advisories/24706 (Third Party Advisory, third-party-advisory)
- secunia.com/advisories/24740 (Third Party Advisory, third-party-advisory)
- www.redhat.com/support/errata/RHSA-2007-0095.html (vendor-advisory, Third Party Advisory)
- www.kb.cert.org/vuls/id/220816 (US Government Resource, Third Party Advisory, third-party-advisory)
- secunia.com/advisories/24786 (Third Party Advisory, third-party-advisory)
- www.us-cert.gov/cas/techalerts/TA07-093B.html (US Government Resource, Third Party Advisory, third-party-advisory)
- www.securityfocus.com/archive/1/464814/30/7170/threaded (mailing-list, VDB Entry, Third Party Advisory)