GitHub Advisory DatabaseGHSA-PF8F-W267-MQ2HThe rack-cors rubygem may allow directory traveral
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
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
68.2%
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.
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
5.3 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
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.003 Low
EPSS
Percentile
68.2%