critical9.8
CVE-2021-41816
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…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ruby-Lang | Cgi | before 0.3.1 through 0.2.0 through 0.1.0 |
| Fedoraproject | Fedora | Versions 34, 35 |
Weakness classification
References
- NVD record
- CVE.org record
- https://hackerone.com/reports/1328463
- 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-2021-41816
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220303-0006/
- https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/
- https://hackerone.com/reports/1328463
- 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-2021-41816
- https://security.gentoo.org/glsa/202401-27
- https://security.netapp.com/advisory/ntap-20220303-0006/
- https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/