CVE-2021-41819
7.5HIGHCGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
Published: 1/1/2022Updated: 5/22/2025
Description
CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
AI AnalysisPowered by AI
Affected Products
ruby-langcgi
0.1.0
ruby-langcgi
0.2.0
ruby-langcgi
0.3.0
ruby-langruby
ruby-langruby
ruby-langruby
redhatsoftware_collections
-
redhatenterprise_linux
8.0
debiandebian_linux
9.0
debiandebian_linux
10.0
debiandebian_linux
11.0
suselinux_enterprise
11.0
suselinux_enterprise
12.0
suselinux_enterprise
15.0
opensusefactory
-
opensuseleap
15.2
fedoraprojectfedora
34
fedoraprojectfedora
35
References
- https://hackerone.com/reports/910552Permissions RequiredThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220121-0003/Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/ExploitVendor Advisory
- https://hackerone.com/reports/910552Permissions RequiredThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220121-0003/Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/ExploitVendor Advisory