USN-3408-1: Liblouis vulnerabilities

Releases

• Ubuntu 17.04
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• 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)

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

• 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

• 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

• CVE-2017-13738
• CVE-2017-13739
• CVE-2017-13740
• CVE-2017-13742
• CVE-2017-13744