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Red Hat 7 RHSA-2017:3384-01 Moderate Liblouis Buffer Overflow

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Calendar Grey December 5, 2017
Scroller Redhat
Keep your Red Hat Enterprise Linux 7 machines fortified by applying this important liblouis patch that mitigates a buffer overflow security vulnerability.
An update for liblouis is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

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):
* A missing fix for one stack-based buffer overflow in findTable() for CVE-2014-8184 was discovered. An attacker could cause denial of service or potentially allow arbitrary code execution. (CVE-2017-15101)
Red Hat would like to thank Samuel Thibault for reporting this issue.

References

https://access.redhat.com/security/cve/CVE-2017-15101 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: liblouis-2.5.2-12.el7_4.src.rpm
noarch: liblouis-python-2.5.2-12.el7_4.noarch.rpm
x86_64: liblouis-2.5.2-12.el7_4.i686.rpm liblouis-2.5.2-12.el7_4.x86_64.rpm liblouis-debuginfo-2.5.2-12.el7_4.i686.rpm liblouis-debuginfo-2.5.2-12.el7_4.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: liblouis-doc-2.5.2-12.el7_4.noarch.rpm
x86_64: liblouis-debuginfo-2.5.2-12.el7_4.i686.rpm liblouis-debuginfo-2.5.2-12.el7_4.x86_64.rpm liblouis-devel-2.5.2-12.el7_4.i686.rpm liblouis-devel-2.5.2-12.el7_4.x86_64.rpm liblouis-utils-2.5.2-12.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: liblouis-2.5.2-12.el7_4.src.rpm
noarch: liblouis-python-2.5.2-12.el7_4.noarch.rpm
ppc64: liblouis-2.5.2-12.el7_4.ppc.rpm liblouis-2.5.2-12.el7_4.ppc64.rpm liblouis-debuginfo-2.5.2-12.el7_4.ppc.rpm liblouis-debuginfo-2.5.2-12.el7_4.ppc64.rpm
ppc64le: liblouis-2.5.2-12.el7_4.ppc64le.rpm liblouis-debuginfo-2.5.2-12.el7_4.ppc64le.rpm
s390x: liblouis-2.5.2-12.el7_4.s390.rpm liblouis-2.5.2-12.el7_4.s390x.rpm liblouis-debuginfo-2.5.2-12.el7_4.s390.rpm liblouis-debuginfo-2.5.2-12.el7_4.s390x.rpm
x86_64: liblouis-2.5.2-12.el7_4.i686.rpm liblouis-2.5.2-12.el7_4.x86_64.rpm liblouis-debuginfo-2.5.2-12.el7_4.i686.rpm

Read the Full Advisory


Advisory ID: RHSA-2017:3384-01
Product: Red Hat Enterprise Linux
Issue date: 2017-12-05

Topic

An update for liblouis is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le

Bugs Fixed

1511023 - CVE-2017-15101 liblouis: incomplete fix for CVE-2014-8184

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