CVE-2022-24836
Published: August 31, 2023Last modified: August 31, 2023
Description
Nokogiri is an open source XML and HTML library for Ruby. Nokogiri `< v1.13.4` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. Users are advised to upgrade to Nokogiri `>= 1.13.4`. There are no known workarounds for this issue.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ruby-nokogiri | Not affected (1.13.10-r0) |
| Stream | ruby-nokogiri | Not affected (1.15.3-r0) |
References
- http://seclists.org/fulldisclosure/2022/Dec/23
- https://github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd
- https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8
- https://lists.debian.org/debian-lts-announce/2022/05/msg00013.html
- https://lists.debian.org/debian-lts-announce/2022/10/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUPLBUZVM4WPFSXBEP2JS3R6LMKRTLFC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/OUPLBUZVM4WPFSXBEP2JS3R6LMKRTLFC/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3/
- https://security.gentoo.org/glsa/202208-29
- https://support.apple.com/kb/HT213532