Fedora 30: coturn FEDORA-2020-f3fcb1608a

    Date 31 Mar 2020
    102
    Posted By LinuxSecurity Advisories
    * An exploitable heap overflow vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. * An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of
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    Fedora Update Notification
    FEDORA-2020-f3fcb1608a
    2020-04-01 02:35:47.694890
    --------------------------------------------------------------------------------
    
    Name        : coturn
    Product     : Fedora 30
    Version     : 4.5.1.1
    Release     : 3.fc30
    URL         : https://github.com/coturn/coturn/
    Summary     : TURN/STUN & ICE Server
    Description :
    The Coturn TURN Server is a VoIP media traffic NAT traversal server and gateway.
    It can be used as a general-purpose network traffic TURN server/gateway, too.
    
    This implementation also includes some extra features. Supported RFCs:
    
    TURN specs:
    - RFC 5766 - base TURN specs
    - RFC 6062 - TCP relaying TURN extension
    - RFC 6156 - IPv6 extension for TURN
    - Experimental DTLS support as client protocol.
    
    STUN specs:
    - RFC 3489 - "classic" STUN
    - RFC 5389 - base "new" STUN specs
    - RFC 5769 - test vectors for STUN protocol testing
    - RFC 5780 - NAT behavior discovery support
    
    The implementation fully supports the following client-to-TURN-server protocols:
    - UDP (per RFC 5766)
    - TCP (per RFC 5766 and RFC 6062)
    - TLS (per RFC 5766 and RFC 6062); TLS1.0/TLS1.1/TLS1.2
    - DTLS (experimental non-standard feature)
    
    Supported relay protocols:
    - UDP (per RFC 5766)
    - TCP (per RFC 6062)
    
    Supported user databases (for user repository, with passwords or keys, if
    authentication is required):
    - SQLite
    - MySQL
    - PostgreSQL
    - Redis
    
    Redis can also be used for status and statistics storage and notification.
    
    Supported TURN authentication mechanisms:
    - long-term
    - TURN REST API (a modification of the long-term mechanism, for time-limited
      secret-based authentication, for WebRTC applications)
    
    The load balancing can be implemented with the following tools (either one or a
    combination of them):
    - network load-balancer server
    - DNS-based load balancing
    - built-in ALTERNATE-SERVER mechanism.
    
    --------------------------------------------------------------------------------
    Update Information:
    
      * An exploitable heap overflow vulnerability exists in the way CoTURN 4.5.1.1
    web server parses POST requests. A specially crafted HTTP POST request can lead
    to information leaks and other misbehavior.   * An exploitable denial-of-service
    vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests.
    A specially crafted HTTP POST request can lead to server crash and denial of
    service.
    --------------------------------------------------------------------------------
    ChangeLog:
    
    * Mon Mar 23 2020 Robert Scheck  - 4.5.1.1-3
    - Added upstream patch for CVE-2020-6061 (#1816159)
    - Backported upstream patch for CVE-2020-6062 (#1816163)
    * Tue Jan 28 2020 Fedora Release Engineering  - 4.5.1.1-2
    - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
    --------------------------------------------------------------------------------
    References:
    
      [ 1 ] Bug #1816159 - CVE-2020-6061 coturn: specially crafted HTTP POST request can lead to heap overflow which can result in information leak
            https://bugzilla.redhat.com/show_bug.cgi?id=1816159
      [ 2 ] Bug #1816163 - CVE-2020-6062 coturn: specially crafted HTTP POST request can lead to server crash and denial of service
            https://bugzilla.redhat.com/show_bug.cgi?id=1816163
    --------------------------------------------------------------------------------
    
    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2020-f3fcb1608a' at the command
    line. For more information, refer to the dnf documentation available at
    https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
    
    All packages are signed with the Fedora Project GPG key. More details on the
    GPG keys used by the Fedora Project can be found at
    https://fedoraproject.org/keys
    --------------------------------------------------------------------------------
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