Debian Security Advisory

DLA-1390-1 procps -- LTS security update

Date Reported:
31 May 2018
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-1122, CVE-2018-1123, CVE-2018-1124, CVE-2018-1125, CVE-2018-1126.
More information:

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:

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: