Dokan file system driver contains a stack-based buffer overflow

published 2019-01-07 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17180

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 1; Exploit-DB

Dokan, versions between 1.0.0.5000 and 1.2.0.1000, are vulnerable to a stack-based buffer overflow in the dokan1.sys driver. An attacker can create a device handle to the system driver and send arbitrary input that will trigger the vulnerability. This vulnerability was introduced in the 1.0.0.5000 version update.

Patch / fix

fixed in 1 links 1

dokan-dev dokany 1.2.0.1000

github.com/dokan-dev/dokany/releases/tag/v1.2.1.1000 release

Timeline

2019-01-07 Published
2019-01-14 First public exploit (EDB-46155)

Exploit prediction

1.59% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-46155 Dokany 1.2.0.1000 - Stack-Based Buffer Overflow Privilege Escalation local, 2019-01-14

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

Dokan Open Source File System

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

References

github.com /dokan-dev/dokany/releases/tag/v1.2.1.1000
patch, third-party-advisory
exploit-db.com /exploits/46155/
exploit, third-party-advisory, vdb-entry
kb.cert.org /vuls/id/741315/
third-party-advisory, us-government-resource
cwe.mitre.org /data/definitions/121.html
third-party-advisory
securityfocus.com /bid/106274
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-5410
NVD CVE-2018-5410

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary