Vulnerability Details : CVE-2009-0847
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2009-0847
Probability of exploitation activity in the next 30 days: 5.57%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 92 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2009-0847
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2009-0847
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Assigned by: nvd@nist.gov (Primary)
Vendor statements for CVE-2009-0847
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Red Hat 2009-04-09Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
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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://marc.info/?l=bugtraq&m=124896429301168&w=2
'[security bulletin] HPSBUX02421 SSRT090047 rev.1 - HP-UX Running Kerberos, Remote Denial of Service' - MARC
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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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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6387
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
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http://www.securitytracker.com/id?1021993
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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
- 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
- http://www.securityfocus.com/bid/34408
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http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
Vendor Advisory
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
- http://wiki.rpath.com/Advisories:rPSA-2009-0058
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- 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://www.vupen.com/english/advisories/2009/2248
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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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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http://www.vupen.com/english/advisories/2009/0960
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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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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http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
Mandriva
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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.vupen.com/english/advisories/2009/2084
Webmail: access your OVH emails on ovhcloud.com | OVHcloud
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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://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
- cpe:2.3:a:mit:kerberos:5-1.6.3:*:*:*:*:*:*:*