Debian Security Advisory DSA 4208-1 (procps - security update)

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.

procps on Debian Linux

This check tests the installed software version using the apt package manager.

For the oldstable distribution (jessie), these problems have been fixed in version 2:3.3.9-9+deb8u1. For the stable distribution (stretch), these problems have been fixed in version 2:3.3.12-3+deb9u1. We recommend that you upgrade your procps packages. For the detailed security status of procps please refer to its security tracker page linked in the references.