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CVE-2010-1321

Date: May 19, 2010

The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.

Severity Score

6.5

Related Resources (62)

Url: http://www.vupen.com/english/advisories/2010/1222

Url: http://www.oracle.com/technetwork/topics/security/javacpuoct2010-176258.html

Url: http://www.oracle.com/technetwork/topics/security/cpujan2011-194091.html

Url: http://secunia.com/advisories/39784

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7198

Url: http://www.redhat.com/support/errata/RHSA-2010-0873.html

Url: http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html

Url: http://www.redhat.com/support/errata/RHSA-2010-0987.html

Url: http://www.vupen.com/english/advisories/2010/1193

Url: http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041654.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041615.html

Url: http://www.vupen.com/english/advisories/2010/1192

Url: http://secunia.com/advisories/42432

Url: http://www.vupen.com/english/advisories/2011/0134

Url: http://marc.info/?l=bugtraq&m=134254866602253&w=2

Url: http://www.vupen.com/english/advisories/2010/1177

Url: http://www.vupen.com/english/advisories/2010/1574

Url: http://www.mandriva.com/security/advisories?name=MDVSA-2010:100

Url: http://www.vupen.com/english/advisories/2010/3112

Url: http://www.us-cert.gov/cas/techalerts/TA11-201A.html

Url: http://secunia.com/advisories/39818

Url: http://www.securityfocus.com/bid/40235

Url: http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041645.html

Url: http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html

Url: http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00006.html

Url: http://www.securityfocus.com/archive/1/511331/100/0/threaded

Url: http://support.avaya.com/css/P8/documents/100114315

Url: http://secunia.com/advisories/40685

Url: http://secunia.com/advisories/39849

Url: http://www.vupen.com/english/advisories/2010/1882

Url: http://www.redhat.com/support/errata/RHSA-2011-0152.html

Url: http://secunia.com/advisories/41967

Url: http://www.oracle.com/technetwork/topics/security/cpuoct2010-175626.html

Url: http://secunia.com/advisories/39762

Url: http://www.redhat.com/support/errata/RHSA-2010-0423.html

Url: http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7450

Url: http://secunia.com/advisories/42974

Url: http://secunia.com/advisories/44954

Url: https://nvd.nist.gov/vuln/detail/CVE-2010-1321

Url: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-005.txt

Url: https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11604

Url: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02257427

Url: http://www.redhat.com/support/errata/RHSA-2010-0807.html

Url: http://www.ubuntu.com/usn/USN-940-2

Url: http://www.ubuntu.com/usn/USN-940-1

Url: http://www.vupen.com/english/advisories/2010/1196

Url: http://www.vmware.com/security/advisories/VMSA-2011-0003.html

Url: http://www.securityfocus.com/archive/1/516397/100/0/threaded

Url: http://secunia.com/advisories/39799

Url: https://access.redhat.com/security/cve/CVE-2010-1321

Url: http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html

Url: http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html

Url: http://osvdb.org/64744

Url: http://www.debian.org/security/2010/dsa-2052

Url: http://www.redhat.com/support/errata/RHSA-2010-0770.html

Url: http://www.us-cert.gov/cas/techalerts/TA10-287A.html

Url: http://secunia.com/advisories/40346

Url: http://www.redhat.com/support/errata/RHSA-2011-0880.html

Url: http://www.redhat.com/support/errata/RHSA-2010-0935.html

Url: http://secunia.com/advisories/43335

Url: https://www.mend.io/vulnerability-database/CVE-2010-1321

Severity Score

6.5

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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