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Alerts This Week
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Ubuntu 12.04 ESM: USN-3276-3 High: Shadow Integer Overflow Issue

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Calendar Grey November 14, 2017
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Ubuntu Security Notice USN-3277-4 outlines a vulnerability concerning the OpenSSH packages for system operators.
su could be made to crash or stop programs as an administrator.

Summary

su could be made to crash or stop programs as an administrator.

Software Description:

- shadow: system login tools

Details:

USN-3276-1 and USN-3276-2 fixed vulnerabilities in shadow. This update

provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Sebastian Krahmer discovered integer overflows in shadow utilities.

 A local attacker could possibly cause them to crash or potentially

 gain privileges via crafted input. (CVE-2016-6252)

Topics%20covered

Topics Covered

security advisory Ubuntu high integer overflow administrative access shadow system login tools

Update Instructions

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

Ubuntu 12.04 ESM:
  login                           1:4.1.4.2+svn3283-3ubuntu5.2
  passwd                          1:4.1.4.2+svn3283-3ubuntu5.2

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

References

  https://ubuntu.com/security/notices/USN-3276-3

  https://ubuntu.com/security/notices/USN-3276-1

  CVE-2017-2616

November 14, 2017

Topics%20covered

Topics Covered

security advisory Ubuntu high integer overflow administrative access shadow system login tools

Package Information

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