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Ubuntu Security Notice USN-3658-2
June 05, 2018

procps vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in procps-ng.

Software Description:
- procps: /proc file system utilities

Details:

USN-3658-1 fixed a vulnerability in procps-ng. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that libprocps incorrectly handled the file2strvec()
 function. A local attacker could possibly use this to execute
 arbitrary code. (CVE-2018-1124)

 It was discovered that procps-ng incorrectly handled memory. A local
 attacker could use this issue to cause a denial of service, or
 possibly execute arbitrary code. (CVE-2018-1126)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
  procps                          1:3.2.8-11ubuntu6.5

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3658-2
  https://usn.ubuntu.com/usn/usn-3658-1
  CVE-2018-1124, CVE-2018-1126