7.5
CWE
434
Advisory Published
Updated

CVE-2018-11196: Malicious File Upload

First published: Fri Jun 01 2018(Updated: )

Mahara 17.04 before 17.04.8 and 17.10 before 17.10.5 and 18.04 before 18.04.1 can be used as medium to transmit viruses by placing infected files into a Leap2A archive and uploading that to Mahara. In contrast to other ZIP files that are uploaded, ClamAV (when activated) does not check Leap2A archives for viruses, allowing malicious files to be available for download. While files cannot be executed on Mahara itself, Mahara can be used to transfer such files to user computers.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Mahara Mahara>=17.04.0<17.04.8
Mahara Mahara>=17.10.0<17.10.5
Mahara Mahara=18.04.0

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Frequently Asked Questions

  • What is CVE-2018-11196?

    CVE-2018-11196 is a vulnerability in Mahara versions 17.04 before 17.04.8, 17.10 before 17.10.5, and 18.04 before 18.04.1 that allows the transmission of viruses by uploading infected Leap2A archives.

  • How does CVE-2018-11196 work?

    CVE-2018-11196 works by allowing an attacker to place infected files into a Leap2A archive and upload it to Mahara, bypassing the ClamAV virus scanning when it is activated.

  • What is the severity of CVE-2018-11196?

    CVE-2018-11196 has a severity rating of 7.5 (High).

  • How can I fix CVE-2018-11196?

    To fix CVE-2018-11196, users should update their Mahara installations to version 17.04.8, 17.10.5, or 18.04.1.

  • Where can I find more information about CVE-2018-11196?

    More information about CVE-2018-11196 can be found at the following references: - https://bugs.launchpad.net/bugs/1770535 - https://mahara.org/interaction/forum/topic.php?id=8270

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