CVE-2011-0281 The unparse implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x through 1.9, when an LDAP backend is used, allows remote attackers to cause a denial of service (file...
MediumCVSS 5.0
EPSS 4.2%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The unparse implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x through 1.9, when an LDAP backend is used, allows remote attackers to cause a denial of service (file descriptor exhaustion and daemon hang) via a principal name that triggers use of a backslash escape sequence, as demonstrated by a \n sequence.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mit kerberos | = 5-1.6.3 | No fix listed |
| mit kerberos 5 | = 1.6 | No fix listed |
| mit kerberos 5 | = 1.6.1 | No fix listed |
| mit kerberos 5 | = 1.6.2 | No fix listed |
| mit kerberos 5 | = 1.7 | No fix listed |
| mit kerberos 5 | = 1.7.1 | No fix listed |
| mit kerberos 5 | = 1.8 | No fix listed |
| mit kerberos 5 | = 1.8.1 | No fix listed |
| mit kerberos 5 | = 1.8.2 | No fix listed |
| mit kerberos 5 | = 1.8.3 | No fix listed |
| mit kerberos 5 | = 1.9 | No fix listed |
| debian/krb5(Debian:12) | < 1.8.3+dfsg-5 | 1.8.3+dfsg-5 |
| debian/krb5(Debian:13) | < 1.8.3+dfsg-5 | 1.8.3+dfsg-5 |
| debian/krb5(Debian:14) | < 1.8.3+dfsg-5 | 1.8.3+dfsg-5 |
References
- SUSE-SR:2011:004 vendor-advisory
- [kerberos] 20101222 LDAP handle unavailable: Can't contact LDAP server mailing-list
- 43260 third-party-advisory vendor-advisory
- 43273 third-party-advisory vendor-advisory
- 43275 third-party-advisory vendor-advisory
- 46397 third-party-advisory
- 8073 third-party-advisory
- web.mit.edu vendor-advisory
- MDVSA-2011:024 vendor-advisory
- MDVSA-2011:025 vendor-advisory
- RHSA-2011:0199 vendor-advisory
- RHSA-2011:0200 vendor-advisory
- 20110208 MITKRB5-SA-2011-002 KDC denial of service attacks [CVE-2011-0281 CVE-2011-0282 CVE-2011-0283] mailing-list
- 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console mailing-list
- 46265 vdb-entry
- 1025037 vdb-entry
- www.vmware.com
- ADV-2011-0330 vdb-entry vendor-advisory
- ADV-2011-0333 vdb-entry vendor-advisory
- ADV-2011-0347 vdb-entry vendor-advisory
- ADV-2011-0464 vdb-entry
- kerberos-ldap-descriptor-dos(65324) vdb-entry
- Debian Security Tracker CVE-2011-0281 vendor-advisory