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    Debian: DSA-3992-1: curl security update

    Date
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    Posted By
    Several vulnerabilities have been discovered in cURL, an URL transfer library. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-3992-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    October 06, 2017                      https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : curl
    CVE ID         : CVE-2017-1000100 CVE-2017-1000101 CVE-2017-1000254
    Debian Bug     : 871554 871555 877671
    
    Several vulnerabilities have been discovered in cURL, an URL transfer
    library. The Common Vulnerabilities and Exposures project identifies the
    following problems:
    
    CVE-2017-1000100
    
        Even Rouault reported that cURL does not properly handle long file
        names when doing an TFTP upload. A malicious HTTP(S) server can take
        advantage of this flaw by redirecting a client using the cURL
        library to a crafted TFTP URL and trick it to send private memory
        contents to a remote server over UDP.
    
    CVE-2017-1000101
    
        Brian Carpenter and Yongji Ouyang reported that cURL contains a flaw
        in the globbing function that parses the numerical range, leading to
        an out-of-bounds read when parsing a specially crafted URL.
    
    CVE-2017-1000254
    
        Max Dymond reported that cURL contains an out-of-bounds read flaw in
        the FTP PWD response parser. A malicious server can take advantage
        of this flaw to effectively prevent a client using the cURL library
        to work with it, causing a denial of service.
    
    For the oldstable distribution (jessie), these problems have been fixed
    in version 7.38.0-4+deb8u6.
    
    For the stable distribution (stretch), these problems have been fixed in
    version 7.52.1-5+deb9u1.
    
    We recommend that you upgrade your curl packages.
    
    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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