CVE-2021-41816 - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

Vendors & Products
CPE Configurations

Vendors	Products
Ruby-lang	Cgi Ruby
Fedoraproject	Fedora

Configuration 1 [-]

cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*

Configuration 2 [-]

AND

cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*

cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*

Configuration 3 [-]

AND

cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*

cpe:2.3:a:ruby-lang:cgi:*:*:*:*:*:ruby:*:*

Configuration 4 [-]

OR	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

References

Link	Resource
https://hackerone.com/reports/1328463	Permissions Required Third 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-2021-41816	Third 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/	Exploit Vendor Advisory

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2022-02-06T00:00:00

Updated: 2024-01-24T05:06:22.268245

Reserved: 2021-09-29T00:00:00

Link: CVE-2021-41816

JSON object: View

NVD Information

Status : Modified

Published: 2022-02-06T21:15:07.887

Modified: 2024-01-24T05:15:11.280

Link: CVE-2021-41816

JSON object: View

Redhat Information

No data.

CWE

CWE-190

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