Debian: DSA-3687-1: nspr security update

    Date05 Oct 2016
    CategoryDebian
    80
    Posted ByLinuxSecurity Advisories
    Two vulnerabilities were reported in NSPR, a library to abstract over operating system interfaces developed by the Mozilla project. CVE-2016-1951
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    Debian Security Advisory DSA-3687-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                           Florian Weimer
    October 05, 2016                      https://www.debian.org/security/faq
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    Package        : nspr
    CVE ID         : CVE-2016-1951
    Debian Bug     : 583651
    
    Two vulnerabilities were reported in NSPR, a library to abstract over
    operating system interfaces developed by the Mozilla project.
    
    CVE-2016-1951
    
        q1 reported that the NSPR implementation of sprintf-style string
        formatting function miscomputed memory allocation sizes,
        potentially leading to heap-based buffer overflows
    
    The second issue concerns environment variable processing in NSPR.
    The library did not ignore environment variables used to configuring
    logging and tracing in processes which underwent a SUID/SGID/AT_SECURE
    transition at process start.  In certain system configurations, this
    allowed local users to escalate their privileges.
    
    In addition, this nspr update contains further stability and
    correctness fixes and contains support code for an upcoming nss
    update.
    
    For the stable distribution (jessie), these problems have been fixed
    in version 2:4.12-1+debu8u1.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 2:4.12-1.
    
    We recommend that you upgrade your nspr 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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