CVE-2010-1321
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2010-1321 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v2 metrics
| Base Score | 4 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:S/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux Supplementary 5 (java-1.4.2-ibm) | RHSA-2011:0152 | 2011-01-17 |
| Red Hat Enterprise Linux AS version 4 Extras (java-1.5.0-ibm) | RHSA-2010:0807 | 2010-10-27 |
| Red Hat Enterprise Linux Supplementary 5 (java-1.5.0-ibm) | RHSA-2010:0807 | 2010-10-27 |
| Red Hat Enterprise Linux 4 (krb5) | RHSA-2010:0423 | 2010-05-18 |
| Red Hat Enterprise Linux Supplementary 5 (java-1.4.2-ibm) | RHSA-2010:0935 | 2010-12-01 |
| Red Hat Enterprise Linux AS version 4 Extras (java-1.4.2-ibm) | RHSA-2011:0152 | 2011-01-17 |
| Red Hat Enterprise Linux 3 (krb5) | RHSA-2010:0423 | 2010-05-18 |
| Red Hat Enterprise Linux AS version 4 Extras (java-1.4.2-ibm) | RHSA-2010:0935 | 2010-12-01 |
| Red Hat Enterprise Linux Supplementary 5 (java-1.6.0-ibm) | RHSA-2010:0987 | 2010-12-15 |
| Red Hat Satellite 5.4 (RHEL v.5) (java-1.6.0-ibm) | RHSA-2011:0880 | 2011-06-16 |
| Red Hat Enterprise Linux AS version 4 Extras (java-1.6.0-sun) | RHSA-2010:0770 | 2010-10-14 |
| Red Hat Enterprise Linux Supplementary (v. 6) (java-1.5.0-ibm) | RHSA-2010:0873 | 2010-11-10 |
| Red Hat Enterprise Linux AS version 4 Extras (java-1.6.0-ibm) | RHSA-2010:0987 | 2010-12-15 |
| Red Hat Enterprise Linux Supplementary 5 (java-1.6.0-sun) | RHSA-2010:0770 | 2010-10-14 |
| Red Hat Enterprise Linux 5 (krb5) | RHSA-2010:0423 | 2010-05-18 |
| Red Hat Enterprise Linux Supplementary (v. 6) (java-1.6.0-ibm) | RHSA-2010:0987 | 2010-12-15 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | krb5 | Not affected |
Acknowledgements
Red Hat would like to thank the MIT Kerberos Team for responsibly reporting this issue. Upstream acknowledges Shawn Emery of Oracle as the original reporter.CVE description copyright © 2017, The MITRE Corporation