Out-of-bounds Read in Xfce Thunar
CVE-2018-18398
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.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (24.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Xfce Thunar
- Xfce
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-18398?
- CVE-2018-18398 is a medium-severity vulnerability in Xfce Thunar, classified under Out-of-bounds Read. CVSS score: 4.7/10. Published 2018-10-19.
- How severe is CVE-2018-18398?
- Medium severity. CVSS v3 base score is 4.7 out of 10.