Vulnerability Details : CVE-2009-0845
The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.
Vulnerability category: Memory CorruptionInput validationDenial of service
Products affected by CVE-2009-0845
- cpe:2.3:a:mit:kerberos:5-1.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2009-0845
5.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2009-0845
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2009-0845
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2009-0845
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http://www.vupen.com/english/advisories/2009/0976
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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http://www.vupen.com/english/advisories/2009/1057
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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http://www.vupen.com/english/advisories/2009/1106
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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http://www.vupen.com/english/advisories/2009/1297
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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http://www.securityfocus.com/bid/34257
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https://exchange.xforce.ibmcloud.com/vulnerabilities/49448
MIT Kerberos 5 (krb5) spnego_gss_accept_sec_context() function denial of service CVE-2009-0845 Vulnerability Report
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http://www.kb.cert.org/vuls/id/662091
CERT Vulnerability Notes DatabaseUS Government Resource
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http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
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http://security.gentoo.org/glsa/glsa-200904-09.xml
MIT Kerberos 5: Multiple vulnerabilities (GLSA 200904-09) — Gentoo security
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http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
HTTP 404 Page Not Found
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http://www.securityfocus.com/archive/1/502526/100/0/threaded
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http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
HTTP 404 Page Not Found
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http://www.redhat.com/support/errata/RHSA-2009-0408.html
Support
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http://www.mandriva.com/security/advisories?name=MDVSA-2009:082
Mandriva
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http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
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http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
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http://wiki.rpath.com/Advisories:rPSA-2009-0058
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http://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
Exploit
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http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
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http://www.securityfocus.com/archive/1/502546/100/0/threaded
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http://support.avaya.com/elmodocs2/security/ASA-2009-142.htm
ASA-2009-142 (SUN 256728)
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http://src.mit.edu/fisheye/changelog/krb5/?cs=22084
Vendor Advisory
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http://www.vupen.com/english/advisories/2009/2248
Webmail: access your OVH emails on ovhcloud.com | OVHcloudVendor Advisory
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http://www-01.ibm.com/support/docview.wss?uid=swg21396120
IBM notice: The page you requested cannot be displayed
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https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
[SECURITY] Fedora 10 Update: krb5-1.6.3-18.fc10
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044
404 Not Found
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449
404 Not Found
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http://support.apple.com/kb/HT3549
About the security content of Security Update 2009-002 / Mac OS X v10.5.7 - Apple Support
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http://www.securitytracker.com/id?1021867
GoDaddy Domain Name Search
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http://www.vupen.com/english/advisories/2009/0847
Site en constructionVendor Advisory
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https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
[SECURITY] Fedora 9 Update: krb5-1.6.3-16.fc9
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http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
#6402: CVE-2009-0845 SPNEGO can dereference a null pointer
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http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Apple Updates for Multiple Vulnerabilities | CISAUS Government Resource
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http://www.ubuntu.com/usn/usn-755-1
USN-755-1: Kerberos vulnerabilities | Ubuntu security notices | Ubuntu
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