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Ubuntu 12.04 ESM USN-3389-2 Moderate: libgd2 Information Exposure

ubuntu
Calendar Grey August 14, 2017
Dist Ubuntu Esm H88
Sensitive information exposure risk in libgd2 on Ubuntu 12.04 ESM resolved with update USN-3389-2.
The system could be made to expose sensitive information.

Summary

The system could be made to expose sensitive information.

Software Description:

- libgd2: GD Graphics Library

Details:

USN-3389-1 fixed a vulnerability in GD Graphics Library.

This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 A vulnerability was discovered in GD Graphics Library (aka libgd),

 as used in PHP that does not zero colorMap arrays before use.

 A specially crafted GIF image could use the uninitialized tables to

 read bytes from the top of the stack.

Topics%20covered

Topics Covered

security advisory moderate security issue information exposure ubuntu libgd2

Update Instructions

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

Ubuntu 12.04 ESM:
  libgd-tools                     2.0.36~rc1~dfsg-6ubuntu2.5

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

References

  https://ubuntu.com/security/notices/USN-3389-2

  https://ubuntu.com/security/notices/USN-3389-1

  CVE-2017-7890

August 14, 2017

Topics%20covered

Topics Covered

security advisory moderate security issue information exposure ubuntu libgd2

Package Information

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