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 descriptor exhaustion and daemon hang) via a…
Does this matter?
Lower severity and a low EPSS score (4.20%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 4.20% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- mit/kerberos · mit/kerberos 5
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
- http://mailman.mit.edu/pipermail/kerberos/2010-December/016800.html
- http://secunia.com/advisories/43260Vendor Advisory
- http://secunia.com/advisories/43273Vendor Advisory
- http://secunia.com/advisories/43275Vendor Advisory
- http://secunia.com/advisories/46397
- http://securityreason.com/securityalert/8073
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txtVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:024
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:025
- http://www.redhat.com/support/errata/RHSA-2011-0199.html
- http://www.redhat.com/support/errata/RHSA-2011-0200.html
- http://www.securityfocus.com/archive/1/516299/100/0/threaded
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/46265
- http://www.securitytracker.com/id?1025037
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.vupen.com/english/advisories/2011/0330Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0333Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0347Vendor Advisory
- http://www.vupen.com/english/advisories/2011/0464
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65324
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
- http://mailman.mit.edu/pipermail/kerberos/2010-December/016800.html
- http://secunia.com/advisories/43260Vendor Advisory
- http://secunia.com/advisories/43273Vendor Advisory
- http://secunia.com/advisories/43275Vendor Advisory
- http://secunia.com/advisories/46397
- http://securityreason.com/securityalert/8073
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txtVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.