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Ubuntu 14.04 ESM: USN-4218-1 Critical: eglibc Arbitrary Code Execution

ubuntu
Calendar Grey December 10, 2019
Dist Ubuntu Esm H88
Critical advisory for Ubuntu ESM subscribers regarding eglibc flaw that enables potential code execution or system instability.
GNU C could be made to execute arbitrary code or cause a crash if it received a specially crafted input.

Summary

GNU C could be made to execute arbitrary code or cause a crash

if it received a specially crafted input.

Software Description:

- eglibc: GNU C Library

Details:

Jakub Wilk discovered that GNU C incorrectly handled certain memory alignments.

An attacker could possibly use this issue to execute arbitrary code or cause

a crash.

Topics%20covered

Topics Covered

security advisory arbitrary code ubuntu memory alignment crash eglibc

Update Instructions

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

Ubuntu 14.04 ESM:
  libc6                           2.19-0ubuntu6.15+esm1

Ubuntu 12.04 ESM:
  libc6                           2.15-0ubuntu10.22

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4218-1

CVE-2018-6485

Severity
critical
Lowest
Low
Medium
High
Critical

December 10, 2019

Topics%20covered

Topics Covered

security advisory arbitrary code ubuntu memory alignment crash eglibc

Package Information

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