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Ubuntu Security Notice USN-3968-3

Ubuntu Security Notice USN-3968-3
Posted Sep 28, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3968-3 - USN-3968-1 fixed several vulnerabilities in Sudo. This update provides the corresponding update for Ubuntu 14.04 ESM. Florian Weimer discovered that Sudo incorrectly handled the noexec restriction when used with certain applications. A local attacker could possibly use this issue to bypass configured restrictions and execute arbitrary commands. Various other issues were also addressed.

tags | advisory, arbitrary, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-7032
MD5 | 6044cf85ada96b50d32b99b140fb790d

Ubuntu Security Notice USN-3968-3

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-3968-3
September 28, 2020

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

- Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in Sudo.

Software Description:
- sudo: Provide limited super user privileges to specific users

Details:

USN-3968-1 fixed several vulnerabilities in Sudo. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Florian Weimer discovered that Sudo incorrectly handled the noexec
restriction when used with certain applications. A local attacker could
possibly use this issue to bypass configured restrictions and execute
arbitrary commands. (CVE-2016-7076, CVE-2016-7032)

Update instructions:

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

Ubuntu 14.04 ESM:
sudo 1.8.9p5-1ubuntu1.5+esm5
sudo-ldap 1.8.9p5-1ubuntu1.5+esm5

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

References:
https://usn.ubuntu.com/3968-3
https://usn.ubuntu.com/3968-1
CVE-2016-7032, CVE-2016-7076
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