Security Information / 2018 / Security Information -- DSA-4208-1 procps

Debian Security Advisory

DSA-4208-1 procps -- security update

Date Reported:

22 May 2018

Affected Packages:

procps

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 899170.
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 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 at: https://security-tracker.debian.org/tracker/procps