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Ubuntu 17.04: USN-3408-1 Moderate: Liblouis Buffer Overflow Issues

ubuntu
Calendar Grey September 4, 2017
Dist Ubuntu Esm H88
Ubuntu 20.04, 18.04 LTS and 16.04 LTS contain several vulnerabilities in liblouis which may permit unauthorized exploitation.
Several security issues were fixed in Liblouis.

Summary

Several security issues were fixed in Liblouis.

Software Description:

- liblouis: Braille translation library - utilities

Details:

It was discovered that an illegal address access can be made in

Liblouis. A remote attacker can take advantange of this to

access sensitive information. (CVE-2017-13738, CVE-2017-13744)

It was discovered a heap-based buffer overflow that causes bytes

out-of-bounds write in Liblouis. A remote attacker can use this to

denial of service or remote code execution. (CVE-2017-13739)

It was discovered a stack-based buffer overflow in Liblouis. A remote

attacker can use this to denial of service or possibly unspecified

other impact. (CVE-2017-13740, CVE-2017-13742)

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow remote code execution ubuntu sensitive information liblouis

Update Instructions

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

Ubuntu 17.04:
  liblouis-bin                    3.0.0-3ubuntu0.2
  liblouis12                      3.0.0-3ubuntu0.2
  python-louis                    3.0.0-3ubuntu0.2
  python3-louis                   3.0.0-3ubuntu0.2

Ubuntu 16.04 LTS:
  liblouis-bin                    2.6.4-2ubuntu0.1
  liblouis9                       2.6.4-2ubuntu0.1
  python-louis                    2.6.4-2ubuntu0.1
  python3-louis                   2.6.4-2ubuntu0.1

Ubuntu 14.04 LTS:
  liblouis-bin                    2.5.3-2ubuntu1.1
  liblouis2                       2.5.3-2ubuntu1.1
  python-louis                    2.5.3-2ubuntu1.1
  python3-louis                   2.5.3-2ubuntu1.1

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

References

  https://ubuntu.com/security/notices/USN-3408-1

  CVE-2017-13738, CVE-2017-13739, CVE-2017-13740, CVE-2017-13742,

  CVE-2017-13744

September 04, 2017

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow remote code execution ubuntu sensitive information liblouis

Package Information

  https://launchpad.net/ubuntu/+source/liblouis/3.0.0-3ubuntu0.2
  https://launchpad.net/ubuntu/+source/liblouis/2.6.4-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/liblouis/2.5.3-2ubuntu1.1

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