GitHub Advisory DatabaseGHSA-PF8F-W267-MQ2HThe rack-cors rubygem may allow directory traveral
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.003 Low
EPSS
Percentile
68.5%
An issue was discovered in the rack-cors (aka Rack CORS Middleware) gem before 1.0.4 for Ruby. It allows …/ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.
Affected configurations
References
github.com/advisories/GHSA-pf8f-w267-mq2h
github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d
github.com/cyu/rack-cors/compare/v1.0.3...v1.0.4
lists.debian.org/debian-lts-announce/2020/02/msg00004.html
lists.debian.org/debian-lts-announce/2020/10/msg00000.html
nvd.nist.gov/vuln/detail/CVE-2019-18978
usn.ubuntu.com/4571-1/
www.debian.org/security/2021/dsa-4918
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.003 Low
EPSS
Percentile
68.5%