ArchLinux: 202007-3: tcpreplay: information disclosure

    Date 31 Jul 2020
    78
    Posted By LinuxSecurity Advisories
    The package tcpreplay before version 4.3.3-1 is vulnerable to information disclosure.
    Arch Linux Security Advisory ASA-202007-3
    =========================================
    
    Severity: Medium
    Date    : 2020-07-31
    CVE-ID  : CVE-2020-12740
    Package : tcpreplay
    Type    : information disclosure
    Remote  : No
    Link    : https://security.archlinux.org/AVG-1154
    
    Summary
    =======
    
    The package tcpreplay before version 4.3.3-1 is vulnerable to
    information disclosure.
    
    Resolution
    ==========
    
    Upgrade to 4.3.3-1.
    
    # pacman -Syu "tcpreplay>=4.3.3-1"
    
    The problem has been fixed upstream in version 4.3.3.
    
    Workaround
    ==========
    
    None.
    
    Description
    ===========
    
    tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read
    during a get_c operation. The issue is being triggered in the function
    get_ipv6_next() at common/get.c.
    
    Impact
    ======
    
    A remote attacker is able to disclose information on the affected host
    with a crafted pcap file.
    
    References
    ==========
    
    https://github.com/appneta/tcpreplay/issues/576
    https://security.archlinux.org/CVE-2020-12740
    

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