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Critical severity · published Oct 10, 2018
CVE-2018-12542
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the StaticHandler uses external input to construct a pathname that should be within a restricted directory, but it does not…
9.8
CVSS
2.2%
EPSS
No
On KEV
Description
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the StaticHandler uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\' (forward slashes) sequences that can resolve to a location that is outside of that directory when running on Windows Operating Systems.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VE
Vert.x · Eclipse
3.0.0 through 3.5.3 · source: NVD
Affected product
VE
Vert.x
Eclipse
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-12542
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-12542
Issue Tracking
https://bugs.eclipse.org/bugs/show_bug.cgi?id=539171
Exploit
https://github.com/vert-x3/vertx-web/issues/1025
lists.apache.org
https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
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