CVE-2011-1530

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

CVSS v2.0 6.8 MEDIUM

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:C

Exploitability : 8.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://securitytracker.com/id?1026374
http://secunia.com/advisories/47124	Vendor Advisory
http://www.securityfocus.com/bid/50929
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt	Patch
http://www.redhat.com/support/errata/RHSA-2011-1790.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:184
https://exchange.xforce.ibmcloud.com/vulnerabilities/71655
http://www.securityfocus.com/archive/1/520756/100/0/threaded

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mit:mit_kerberos:5.1.9.2:::::::*
	cpe:2.3:a:mit:mit_kerberos:5.1.9:::::::*
	cpe:2.3:a:mit:mit_kerberos:5.1.9.1:::::::*

Information

Published : 2011-12-08 12:55

Updated : 2018-10-09 12:31

NVD link : CVE-2011-1530

Mitre link : CVE-2011-1530

JSON object : View

CWE

CWE-399

Resource Management Errors

Advertisement

Products Affected

mit

mit_kerberos

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://securitytracker.com/id?1026374", "name": "1026374", "tags": [], "refsource": "SECTRACK"}, {"url": "http://secunia.com/advisories/47124", "name": "47124", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "http://www.securityfocus.com/bid/50929", "name": "50929", "tags": [], "refsource": "BID"}, {"url": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt", "name": "http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txt", "tags": ["Patch"], "refsource": "CONFIRM"}, {"url": "http://www.redhat.com/support/errata/RHSA-2011-1790.html", "name": "RHSA-2011:1790", "tags": [], "refsource": "REDHAT"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:184", "name": "MDVSA-2011:184", "tags": [], "refsource": "MANDRIVA"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71655", "name": "kerberos-processtgsreq-dos(71655)", "tags": [], "refsource": "XF"}, {"url": "http://www.securityfocus.com/archive/1/520756/100/0/threaded", "name": "20111206 MITKRB5-SA-2011-007 KDC null pointer dereference in TGS handling [CVE-2011-1530]", "tags": [], "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-399"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-1530", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2011-12-08T20:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:mit:mit_kerberos:5.1.9.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:mit:mit_kerberos:5.1.9:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:mit:mit_kerberos:5.1.9.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-10-09T19:31Z"}