Debian: DSA-2370-1: unbound security update

    Date 22 Dec 2011
    111
    Posted By LinuxSecurity Advisories
    It was discovered that Unbound, a recursive DNS resolver, would crash when processing certain malformed DNS responses from authoritative DNS servers, leading to denial of service.
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    Debian Security Advisory DSA-2370-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                            Florian Weimer
    December 22, 2011                      https://www.debian.org/security/faq
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    Package        : unbound
    Vulnerability  : several
    Problem type   : remote
    Debian-specific: no
    CVE ID         : CVE-2011-4528 CVE-2011-4869
    
    It was discovered that Unbound, a recursive DNS resolver, would crash
    when processing certain malformed DNS responses from authoritative DNS
    servers, leading to denial of service.
    
    CVE-2011-4528
    	Unbound attempts to free unallocated memory during processing
    	of duplicate CNAME records in a signed zone.
    
    CVE-2011-4869
    	Unbound does not properly process malformed responses which
    	lack expected NSEC3 records.
    
    For the oldstable distribution (lenny), these problems have been fixed in
    version 1.4.6-1~lenny2.
    
    For the stable distribution (squeeze), these problems have been fixed in
    version 1.4.6-1+squeeze2.
    
    For the testing distribution (wheezy) and the unstable distribution
    (sid), these problems have been fixed in version 1.4.14-1.
    
    We recommend that you upgrade your unbound 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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