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AUSCERT External Security Bulletin Redistribution
procps security update
1 June 2018
AusCERT Security Bulletin Summary
Operating System: Debian GNU/Linux 7
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Denial of Service -- Existing Account
CVE Names: CVE-2018-1126 CVE-2018-1125 CVE-2018-1124
Revision History: June 1 2018: Fixed OS
June 1 2018: Initial Release
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Package : procps
Version : 1:188.8.131.52+deb7u1
CVE ID : CVE-2018-1122 CVE-2018-1123 CVE-2018-1124 CVE-2018-1125=20
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
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
Denial of service against the ps invocation of another user.
An integer overflow in the file2strvec() function of libprocps could
result in local privilege escalation.
A stack-based buffer overflow in pgrep could result in denial
of service for a user using pgrep for inspecting a specially
Incorrect integer size parameters used in wrappers for standard C
allocators could cause integer truncation and lead to integer
For Debian 7 "Wheezy", these problems have been fixed in version
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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