6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
rails:sid is vulnerable to open redirect. The Host Authorization middleware is vulnerable because it allows specially crafted Host
headers in combination with certain “allowed host” formats to cause the Host Authorization middleware in Action Pack to redirect users to a malicious website. Impacted applications will have allowed hosts with a leading dot. When an allowed host contains a leading dot, a specially crafted Host
header can be used to redirect to a malicious website.
CPE | Name | Operator | Version |
---|---|---|---|
rails:sid | eq | 2:6.0.3.4+dfsg-1 | |
rails:bullseye | eq | 2:6.0.3.4+dfsg-1 | |
rails:sid | eq | 2:6.0.3.4+dfsg-1 | |
rails:bullseye | eq | 2:6.0.3.4+dfsg-1 |
www.openwall.com/lists/oss-security/2021/05/05/2
www.openwall.com/lists/oss-security/2021/08/20/1
www.openwall.com/lists/oss-security/2021/12/14/5
benjamin-bouchet.com/cve-2021-22881-faille-de-securite-dans-le-middleware-hostauthorization/
discuss.rubyonrails.org/t/cve-2021-22881-possible-open-redirect-in-host-authorization-middleware/77130
hackerone.com/reports/1047447
lists.fedoraproject.org/archives/list/[email protected]/message/XQ3NS4IBYE2I3MVMGAHFZBZBIZGHXHT3/
security-tracker.debian.org/tracker/CVE-2021-22881
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N