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Debian Security Advisory DSA 4208-1 (procps - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
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.
Affected Software
Affected Software
procps on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
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.