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    Mageia 2020-0259: bind security update

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    Updated bind packages fix security vulnerabilities: It was discovered that Bind incorrectly handled certain TCP-pipelined queries. A remote attacker could possibly use this issue to cause Bind to consume
    MGASA-2020-0259 - Updated bind packages fix security vulnerability
    
    Publication date: 15 Jun 2020
    URL: https://advisories.mageia.org/MGASA-2020-0259.html
    Type: security
    Affected Mageia releases: 7
    CVE: CVE-2019-6477,
         CVE-2020-8616,
         CVE-2020-8617
    
    Updated bind packages fix security vulnerabilities:
    
    It was discovered that Bind incorrectly handled certain TCP-pipelined
    queries.
    A remote attacker could possibly use this issue to cause Bind to consume
    resources, resulting in a denial of service (CVE-2019-6477).
    
    Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind
    incorrectly limited certain fetches. A remote attacker could possibly
    use this issue to cause Bind to consume resources, leading to a denial
    of service, or possibly use Bind to perform a reflection attack
    (CVE-2020-8616).
    
    Tobias Klein discovered that Bind incorrectly handled checking TSIG
    validity.
    A remote attacker could use this issue to cause Bind to crash, resulting
    in a denial of service, or possibly perform other attacks 
    (CVE-2020-8617).
    
    References:
    - https://bugs.mageia.org/show_bug.cgi?id=25724
    - https://kb.isc.org/docs/cve-2019-6477
    - https://kb.isc.org/docs/cve-2020-8616
    - https://kb.isc.org/docs/cve-2020-8617
    - https://usn.ubuntu.com/4197-1/
    - https://usn.ubuntu.com/4365-1/
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6477
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8616
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8617
    
    SRPMS:
    - 7/core/bind-9.11.6-1.1.mga7
    

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