Debian: DSA-2518-1: krb5 security update

    Date 31 Jul 2012
    73
    Posted By LinuxSecurity Advisories
    Emmanuel Bouillon from NCI Agency discovered multiple vulnerabilities in MIT Kerberos, a daemon implementing the network authentication protocol. CVE-2012-1014
    
    
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    Debian Security Advisory DSA-2518-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                         Yves-Alexis Perez
    July 31, 2012                          https://www.debian.org/security/faq
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    Package        : krb5
    Vulnerability  : denial of service and remote code execution
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2012-1014 CVE-2012-1015
    Debian Bug     : 683429
    
    Emmanuel Bouillon from NCI Agency discovered multiple vulnerabilities in MIT
    Kerberos, a daemon implementing the network authentication protocol.
    
    CVE-2012-1014
    
    	By sending specially crafted AS-REQ (Authentication Service Request) to a KDC
    	(Key Distribution Center), an attacker could make it free an uninitialized
    	pointer, corrupting the heap.  This can lead to process crash or even arbitrary
    	code execution.
    	.
    	This CVE only affects testing (wheezy) and unstable (sid) distributions.
    
    CVE-2012-1015
    
    	By sending specially crafted AS-REQ to a KDC, an attacker could make it
    	dereference an uninitialized pointer, leading to process crash or even
    	arbitrary code execution
    
    In both cases, arbitrary code execution is believed to be difficult to achieve,
    but might not be impossible.
    
    For the stable distribution (squeeze), this problem has been fixed in
    version 1.8.3+dfsg-4squeeze6.
    
    For the testing distribution (wheezy), this problem has been fixed in
    version 1.10.1+dfsg-2.
    
    For the unstable distribution (sid), this problem has been fixed in
    version 1.10.1+dfsg-2.
    
    We recommend that you upgrade your krb5 packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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