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    Debian: DSA-4829-1: coturn security update

    Date 11 Jan 2021
    272
    Posted By LinuxSecurity Advisories
    A flaw was discovered in coturn, a TURN and STUN server for VoIP. By default coturn does not allow peers on the loopback addresses (127.x.x.x and ::1). A remote attacker can bypass the protection via a specially crafted request using a peer address of '0.0.0.0' and trick
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4829-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    January 11, 2021                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : coturn
    CVE ID         : CVE-2020-26262
    
    A flaw was discovered in coturn, a TURN and STUN server for VoIP. By
    default coturn does not allow peers on the loopback addresses
    (127.x.x.x and ::1). A remote attacker can bypass the protection via a
    specially crafted request using a peer address of '0.0.0.0' and trick
    coturn in relaying to the loopback interface. If listening on IPv6 the
    loopback interface can also be reached by using either [::1] or [::] as
    the address.
    
    For the stable distribution (buster), this problem has been fixed in
    version 4.5.1.1-1.1+deb10u2.
    
    We recommend that you upgrade your coturn packages.
    
    For the detailed security status of coturn please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/coturn
    
    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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