Ubuntu 4065-2: Squid vulnerabilities

    Date22 Jul 2019
    CategoryUbuntu
    1371
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Squid.
    ==========================================================================
    Ubuntu Security Notice USN-4065-2
    July 22, 2019
    
    squid3 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in Squid.
    
    Software Description:
    - squid3: Web proxy cache server
    
    Details:
    
    USN-4065-1 fixed several vulnerabilities in Squid. This update provides
    the corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory details:
    
     It was discovered that Squid incorrectly handled Digest authentication. A
     remote attacker could possibly use this issue to cause Squid to crash,
     resulting in a denial of service. (CVE-2019-12525)
    
     It was discovered that Squid incorrectly handled Basic authentication. A
     remote attacker could possibly use this issue to cause Squid to crash,
     resulting in a denial of service. (CVE-2019-12529)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 ESM:
      squid3                          3.1.19-1ubuntu3.12.04.10
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4065-2
      https://usn.ubuntu.com/4065-1
      CVE-2019-12525, CVE-2019-12529
    
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