CVE-2007-0956

MIT Kerberos 5 < 1.6.1 - Unauthenticated Authentication Bypass via Telnet Username Prefix

Title source: llm
STIX 2.1

Description

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.

References (30)

Core 30
Core References
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/1218
Broken Link, Third Party Advisory vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10046
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/464590/100/0/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24706
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24740
Third Party Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2007-0095.html
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/220816
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24786
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA07-093B.html
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/464814/30/7170/threaded
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2007/dsa-1276
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24735
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/33414
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1017848
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23281
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24750
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24817
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24757
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24755
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/1249
Broken Link vendor-advisory x_refsource_sunalert
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102867-1
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24785
Third Party Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2007:077
Third Party Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-449-1
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24736
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/464666/100/0/threaded
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-200704-02.xml

Scores

EPSS 0.2575
EPSS Percentile 96.3%

Details

CWE
CWE-306
Status published
Products (6)
canonical/ubuntu_linux 5.10
canonical/ubuntu_linux 6.06
canonical/ubuntu_linux 6.10
debian/debian_linux 3.1
debian/debian_linux 4.0
mit/kerberos_5 < 1.6.1
Published Apr 06, 2007
Tracked Since Feb 18, 2026