← Back to CVEs
CVE-2021-41816
CRITICAL9.8
Description
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.
CVE Details
CVSS v3.1 Score9.8
SeverityCRITICAL
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published2/6/2022
Last Modified11/21/2024
Sourcenvd
Honeypot Sightings0
Affected Products
fedoraproject:fedoraruby-lang:cgiruby-lang:ruby
Weaknesses (CWE)
CWE-190
References
https://hackerone.com/reports/1328463(cve@mitre.org)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/(cve@mitre.org)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/(cve@mitre.org)
https://security-tracker.debian.org/tracker/CVE-2021-41816(cve@mitre.org)
https://security.gentoo.org/glsa/202401-27(cve@mitre.org)
https://security.netapp.com/advisory/ntap-20220303-0006/(cve@mitre.org)
https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/(cve@mitre.org)
https://hackerone.com/reports/1328463(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/(af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/(af854a3a-2127-422b-91ae-364da2661108)
https://security-tracker.debian.org/tracker/CVE-2021-41816(af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202401-27(af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20220303-0006/(af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/en/news/2021/11/24/buffer-overrun-in-cgi-escape_html-cve-2021-41816/(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.