ruby/cgi · Security
Buffer overrun in CGI.escape_html
- GHSA ID
- GHSA-5cqm-crxm-6qpv
- CVE ID
- CVE-2021-41816
- Severity
- critical
- Published
- Updated
- CVSS
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
A buffer overrun vulnerability was discovered in CGI.escape_html. This can lead to a buffer overflow when a user passes a very large string (> 700 MB) to CGI.escape_html on a platform where long type takes 4 bytes, typically, Windows.
CWEs
- CWE-190 · Integer Overflow or Wraparound
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-41816 ↗
- https://groups.google.com/g/ruby-security-ann/c/4MQ568ZG47c ↗
- https://hackerone.com/reports/1328463 ↗
- https://security-tracker.debian.org/tracker/CVE-2021-41816 ↗
- https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/ ↗
- https://security.netapp.com/advisory/ntap-20220303-0006/ ↗
- https://lists.fedoraproject.org/archives/list/[email protected]/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/ ↗
- https://lists.fedoraproject.org/archives/list/[email protected]/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/ ↗
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2021-41816.yml ↗
- https://github.com/ruby/cgi/commit/959ccf0b6a672bcc64aeaa60c6e1f9e728f1e87f ↗
- https://github.com/ruby/cgi/commit/ad079c1cb5f58eba1ffac46da79995fcf94a3a6e ↗
- https://github.com/ruby/cgi/commit/c6a37a671b556eb06140ea89cc465136b24207a6 ↗
- https://github.com/ruby/cgi/commit/c728632c1c09d46cfd4ecbff9caaa3651dd1002a ↗
- 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://github.com/advisories/GHSA-5cqm-crxm-6qpv ↗