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Ubuntu: USN-3474-1 (CVE-2014-8184): Liblouis vulnerability

Severity CVSS Published Added Modified
4 (AV:L/AC:M/Au:N/C:P/I:P/A:P) November 01, 2017 November 05, 2017 November 05, 2017

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From RHSA-2017:3111:

Liblouis is an open source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule or dictionary based approach. Liblouis also supports math braille (Nemeth and Marburg).

Security Fix(es):

Multiple flaws were found in the processing of translation tables in liblouis. An attacker could crash or potentially execute arbitrary code using malicious translation tables. (CVE-2014-8184, CVE-2017-13738, CVE-2017-13740, CVE-2017-13741, CVE-2017-13742, CVE-2017-13743, CVE-2017-13744)

The CVE-2014-8184 issue was discovered by Raphael Sanchez Prudencio (Red Hat).

From ELSA-2017-3111:

[2.5.2-11] - Resolves: CVE-2017-13738, CVE-2017-13740, CVE-2017-13741, CVE-2017-13742, CVE-2017-13743, CVE-2017-13744, CVE-2014-8184

From USN-3474-1:

Raphael Sanchez Prudencio discovered that Liblouis incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use this to cause a denial of service or potentially execute arbitrary code.

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References

Solution

ubuntu-upgrade-liblouis-bin