CWE
125
Advisory Published
Updated

CVE-2018-18398

First published: Fri Oct 19 2018(Updated: )

Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read and SEGV. This could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses this input method.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Xfce Thunar<1.6.15
Xfce Xfce<4.12

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Frequently Asked Questions

  • What is the vulnerability CVE-2018-18398 about?

    The vulnerability CVE-2018-18398 is about a mishandling of the IBus-Unikey input method in Xfce Thunar 1.6.15 when Xfce 4.12 is used, leading to an out-of-bounds read and SEGV.

  • Who is affected by the vulnerability CVE-2018-18398?

    The vulnerability CVE-2018-18398 affects users of Xfce Thunar 1.6.15 and Xfce 4.12.

  • What is the severity rating of CVE-2018-18398?

    The severity rating of CVE-2018-18398 is medium with a CVSS score of 4.7.

  • How can the vulnerability CVE-2018-18398 be exploited?

    The vulnerability CVE-2018-18398 could potentially be exploited by an arbitrary local user who creates files in /tmp before the victim uses the IBus-Unikey input method in Xfce Thunar.

  • Is there a fix available for CVE-2018-18398?

    At the time of writing, there is no known fix available for CVE-2018-18398. It is recommended to update to a version of Xfce Thunar or Xfce that is not affected by the vulnerability, if possible. Avoid using the IBus-Unikey input method until a fix is provided.

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