CVE-2018-6914
HIGH severity · CVSS 7.5 · Path traversal
7.5CVSS HIGH
Summary
Directory traversal vulnerability in the Dir.mktmpdir method in the tmpdir library in Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 might allow attackers to create arbitrary directories or files via a .. (dot dot) in the prefix argument.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)11%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- http://www.securityfocus.com/bid/103686Advisory
- http://www.securitytracker.com/id/1042004Advisory
- https://access.redhat.com/errata/RHSA-2018:3729Advisory
- https://access.redhat.com/errata/RHSA-2018:3730Advisory
- https://access.redhat.com/errata/RHSA-2018:3731Advisory
- https://access.redhat.com/errata/RHSA-2019:2028
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlAdvisory