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    ArchLinux: 202102-24: connman: multiple issues

    Date 22 Feb 2021
    56
    Posted By LinuxSecurity Advisories
    The package connman before version 1.39-1 is vulnerable to multiple issues including arbitrary code execution and information disclosure.
    Arch Linux Security Advisory ASA-202102-24
    ==========================================
    
    Severity: Critical
    Date    : 2021-02-12
    CVE-ID  : CVE-2021-26675 CVE-2021-26676
    Package : connman
    Type    : multiple issues
    Remote  : Yes
    Link    : https://security.archlinux.org/AVG-1543
    
    Summary
    =======
    
    The package connman before version 1.39-1 is vulnerable to multiple
    issues including arbitrary code execution and information disclosure.
    
    Resolution
    ==========
    
    Upgrade to 1.39-1.
    
    # pacman -Syu "connman>=1.39-1"
    
    The problems have been fixed upstream in version 1.39.
    
    Workaround
    ==========
    
    None.
    
    Description
    ===========
    
    - CVE-2021-26675 (arbitrary code execution)
    
    A security issue was found in connman 1.38. A stack buffer overflow can
    be used to execute code by network adjacent attackers.
    
    - CVE-2021-26676 (information disclosure)
    
    A security issue was found in connman 1.38. A stack information leak
    from an uninitialised variable can lead to information disclosure to a
    remote attacker. This information can be used to help exploiting
    CVE-2021-26675 reliably.
    
    Impact
    ======
    
    A network adjacent attacker can execute arbitrary code on the affected
    host.
    
    References
    ==========
    
    https://bugs.archlinux.org/task/69583
    https://www.openwall.com/lists/oss-security/2021/02/08/2
    https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=e4079a20f617a4b076af503f6e4e8b0304c9f2cb
    https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa
    https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1
    https://security.archlinux.org/CVE-2021-26675
    https://security.archlinux.org/CVE-2021-26676
    

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