CVE-2015-5701: Medium severity tex live vulnerability

Published Aug 25, 2017
·
Updated

mktexlsr revision 36855, and before revision 36626 as packaged in texlive allows local users to write to arbitrary files via a symlink attack. NOTE: this vulnerability exists due to the reversion of a fix of CVE-2015-5700.

Affected Software

5 affected components
Tug Texlive=20100722
Tug Texlive=20110705
Tug Texlive=20120701
Tug Texlive=20130530
Tug Texlive=20140525

Remediation

Patch Available

https://bugzilla.redhat.com/show_bug.cgi?id=1181167

Patch Available

https://www.tug.org/svn/texlive/trunk/Build/source/texk/kpathsea/mktexlsr?r1=19613&r2=22885

Event History

Aug 25, 2017
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2015-5701?

CVE-2015-5701 is considered a medium severity vulnerability due to its ability to allow local users to write to arbitrary files through a symlink attack.

2

How do I fix CVE-2015-5701?

To fix CVE-2015-5701, users should update their TeX Live installation to a version after revision 36855 that addresses this symlink vulnerability.

3

Who is affected by CVE-2015-5701?

CVE-2015-5701 affects users of TeX Live versions 20100722, 20110705, 20120701, 20130530, and 20140525.

4

What causes CVE-2015-5701?

CVE-2015-5701 is caused by the reversion of a fix for a previous vulnerability, CVE-2015-5700.

5

Can CVE-2015-5701 be exploited remotely?

CVE-2015-5701 cannot be exploited remotely as it requires local user access to execute the symlink attack.

Company

Resources

Contact

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CVE-2015-5701 - Medium severity tex live vulnerability - SecAlerts