Vulnerability Monitor

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CVE-2020-8166

A CSRF forgery vulnerability exists in rails < 5.2.5, rails < 6.0.4 that makes it possible for an attacker to, given a global CSRF token such as the one present in the authenticity_token meta tag, forge a per-form CSRF token.

Published

2020-07-02T19:15:12.513

Last Modified

2024-11-21T05:38:25.277

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-352
Type: Primary
CWE-352

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rubyonrails	rails	< 5.2.4.3	Yes
Application	rubyonrails	rails	< 6.0.3.1	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgw Mailing List, Patch, Third Party Advisory ([email protected])
https://hackerone.com/reports/732415 Exploit, Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4766 Third Party Advisory ([email protected])
https://groups.google.com/g/rubyonrails-security/c/NOjKiGeXUgw Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/732415 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4766 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)