CVE search · CVE-2021-41816
CVE-2021-41816
critical 9.8
CGI.escape_html in Ruby before 2.7.5 and 3.x before 3.0.3 has an integer overflow and resultant buffer overflow via a long string on platforms (such as Windows) where size_t and long have different numbers of bytes. This also affects the CGI gem before 0.3.1 for Ruby.
Details
- Status
- Modified
- Published
- Last changed
- Source
- cve@mitre.org
- Weakness
- CWE-190
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | critical 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
nvd@nist.govPrimary |
| CVSS 2.0 | high 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- ruby-lang · cgi
- fedoraproject · fedora
References
- https://hackerone.com/reports/1328463Permissions 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-tracker.debian.org/tracker/CVE-2021-41816Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220303-0006/Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/ExploitVendor Advisory
- https://hackerone.com/reports/1328463Permissions 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-tracker.debian.org/tracker/CVE-2021-41816Third Party Advisory
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220303-0006/Third Party Advisory
- https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/ExploitVendor Advisory