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4.3
CVSSv2

CVE-2009-0847

Published: 09/04/2009 Updated: 10/10/2018
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability Summary

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 malicious users 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.

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mit kerberos 5-1.6.3

Vendor Advisories

Ubuntu Security Notice: krb5 vulnerabilities
Multiple flaws were discovered in the Kerberos GSS-API and ASN1 routines that did not correctly handle certain requests An unauthenticated remote attacker could send specially crafted traffic to crash services using the Kerberos library, leading to a denial of service ...
Debian Security Advisories: DSA-1766-1 krb5 -- several vulnerabilities
Several vulnerabilities have been found in the MIT reference implementation of Kerberos V5, a system for authenticating users and services on a network The Common Vulnerabilities and Exposures project identified the following problems: CVE-2009-0844 The Apple Product Security team discovered that the SPNEGO GSS-API mechanism suffers of a missing ...

References

CWE-189http://www.kb.cert.org/vuls/id/662091http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txthttp://www.securitytracker.com/id?1021993http://www.ubuntu.com/usn/usn-755-1http://www.vupen.com/english/advisories/2009/0976http://www.vupen.com/english/advisories/2009/0960http://security.gentoo.org/glsa/glsa-200904-09.xmlhttp://wiki.rpath.com/Advisories:rPSA-2009-0058http://secunia.com/advisories/34640https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.htmlhttp://secunia.com/advisories/34637https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.htmlhttp://secunia.com/advisories/34594http://secunia.com/advisories/34622http://secunia.com/advisories/34617http://secunia.com/advisories/34628http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058http://www.securityfocus.com/bid/34408http://support.avaya.com/elmodocs2/security/ASA-2009-142.htmhttp://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1http://www.vupen.com/english/advisories/2009/1106http://www.vupen.com/english/advisories/2009/1057http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.htmlhttp://secunia.com/advisories/34734http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.htmlhttp://secunia.com/advisories/35074http://www.vupen.com/english/advisories/2009/1297http://www.us-cert.gov/cas/techalerts/TA09-133A.htmlhttp://lists.apple.com/archives/security-announce/2009/May/msg00002.htmlhttp://support.apple.com/kb/HT3549http://www.mandriva.com/security/advisories?name=MDVSA-2009:098http://www.vupen.com/english/advisories/2009/2084http://marc.info/?l=bugtraq&m=124896429301168&w=2http://www.vupen.com/english/advisories/2009/2248http://www-01.ibm.com/support/docview.wss?uid=swg21396120https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6387http://www.securityfocus.com/archive/1/502546/100/0/threadedhttp://www.securityfocus.com/archive/1/502526/100/0/threadedhttps://usn.ubuntu.com/755-1/https://nvd.nist.gov
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