ESB-2018.1641.2 - UPDATE [Debian] procps: Multiple vulnerabilities 2018-06-01

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.1641.2
                          procps security update
                                1 June 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           procps
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Increased Privileges            -- Existing Account
                   Denial of Service               -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1126 CVE-2018-1125 CVE-2018-1124
                   CVE-2018-1123 CVE-2018-1122 

Reference:         ESB-2018.1583
                   ESB-2018.1562

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/05/msg00021.html

Revision History:  June 1 2018: Fixed OS
                   June 1 2018: Initial Release

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Package        : procps
Version        : 1:3.3.3.3+deb7u1
CVE ID         : CVE-2018-1122 CVE-2018-1123 CVE-2018-1124 CVE-2018-1125=20
                 CVE-2018-1126
Debian Bug     : #899170

The Qualys Research Labs discovered multiple vulnerabilities in procps,
a set of command line and full screen utilities for browsing procfs. The
Common Vulnerabilities and Exposures project identifies the following
problems:

CVE-2018-1122

    top read its configuration from the current working directory if no
    $HOME was configured. If top were started from a directory writable
    by the attacker (such as /tmp) this could result in local privilege
    escalation.

CVE-2018-1123

    Denial of service against the ps invocation of another user.

CVE-2018-1124

    An integer overflow in the file2strvec() function of libprocps could
    result in local privilege escalation.

CVE-2018-1125

    A stack-based buffer overflow in pgrep could result in denial
    of service for a user using pgrep for inspecting a specially
    crafted process.

CVE-2018-1126

    Incorrect integer size parameters used in wrappers for standard C
    allocators could cause integer truncation and lead to integer
    overflow issues.


For Debian 7 "Wheezy", these problems have been fixed in version
1:3.3.3.3+deb7u1.

We recommend that you upgrade your procps packages.

The Debian LTS team would like to thank Abhijith PA for preparing this update.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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