CVE-2022-24836
First published: Mon Apr 11 2022(Updated: )
## Summary Nokogiri `< v1.13.4` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. ## Mitigation Upgrade to Nokogiri `>= 1.13.4`. ## Severity The Nokogiri maintainers have evaluated this as [**High Severity** 7.5 (CVSS3.1)](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). ## References [CWE-1333](https://cwe.mitre.org/data/definitions/1333.html) Inefficient Regular Expression Complexity ## Credit This vulnerability was reported by HackerOne user ooooooo_q (ななおく).
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rubygem-nokogiri | <0:1.13.8-1.el8 | 0:1.13.8-1.el8 |
| rubygems/nokogiri | <1.13.4 | 1.13.4 |
| Nokogiri Nokogiri | <1.13.4 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Fedoraproject Fedora | =36 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Apple macOS | >=13.0<13.1 | |
| redhat/nokogiri | <1.13.4 | 1.13.4 |
| <13.1 | 13.1 |
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Reference Links
- https://support.apple.com/en-us/HT213532 (Advisory)
- https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8
- https://nvd.nist.gov/vuln/detail/CVE-2022-24836
- https://github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd
- https://github.com/sparklemotion/nokogiri/releases/tag/v1.13.4
- https://groups.google.com/g/ruby-security-ann/c/vX7qSjsvWis/m/TJWN4oOKBwAJ?utm_medium=email&utm_source=footer
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OUPLBUZVM4WPFSXBEP2JS3R6LMKRTLFC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3/
- https://lists.debian.org/debian-lts-announce/2022/05/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM/
- https://security.gentoo.org/glsa/202208-29
- https://lists.debian.org/debian-lts-announce/2022/10/msg00018.html
- https://support.apple.com/kb/HT213532
- http://seclists.org/fulldisclosure/2022/Dec/23
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2022-24836.yml
- https://github.com/advisories/GHSA-crjr-9rc5-ghw8 (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2074347
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2074348
- https://access.redhat.com/errata/RHSA-2022:8506
- https://access.redhat.com/security/cve/cve-2022-24836
- https://bugzilla.redhat.com/show_bug.cgi?id=2074346
- https://www.cve.org/CVERecord?id=CVE-2022-24836 https://nvd.nist.gov/vuln/detail/CVE-2022-24836 https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2022-42843
- CVE-2022-42858
- CVE-2022-42847
- CVE-2022-42865
- CVE-2022-42854
- CVE-2022-42853
- CVE-2022-42859
- CVE-2022-35252
- CVE-2022-32942
- CVE-2022-46720
- CVE-2022-46710
- CVE-2022-46693
- CVE-2022-42864
- CVE-2022-46690
- CVE-2022-46697
- CVE-2022-42837
- CVE-2022-46689
- CVE-2022-46701
- CVE-2022-42842
- CVE-2022-42861
- CVE-2022-42845
- CVE-2022-48618
- CVE-2022-42839
- CVE-2022-46716
- CVE-2022-46704
- CVE-2022-32943
- CVE-2022-42840
- CVE-2022-42855
- CVE-2022-42862
- CVE-2022-24836
- CVE-2022-29181
- CVE-2022-46695
- CVE-2022-46718
- CVE-2022-46703
- CVE-2022-42866
- CVE-2022-32919
- CVE-2022-46725
- CVE-2022-46705
- CVE-2022-42867
- CVE-2022-46691
- CVE-2022-46692
- CVE-2022-42852
- CVE-2022-46696
- CVE-2022-46700
- CVE-2022-46698
- CVE-2022-46699
- CVE-2022-42863
- CVE-2022-42856
- CVE-2022-42841
Frequently Asked Questions
What is CVE-2022-24836?
CVE-2022-24836 is a vulnerability in Nokogiri < v1.13.4 that allows for excessive backtracking when attempting to detect encoding in HTML documents.
How can I mitigate the CVE-2022-24836 vulnerability?
To mitigate the CVE-2022-24836 vulnerability, upgrade to Nokogiri >= 1.13.4.
What is the severity of CVE-2022-24836?
CVE-2022-24836 has a severity rating of high.
What software is affected by CVE-2022-24836?
The affected software includes Nokogiri < 1.13.4, macOS Ventura 13.1, rubygem-nokogiri 0:1.13.8-1.el8, and redhat/nokogiri.
Where can I find more information about CVE-2022-24836?
You can find more information about CVE-2022-24836 on the following references: - Apple Support: [https://support.apple.com/en-us/HT213532](https://support.apple.com/en-us/HT213532) - GitHub Security Advisory: [https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8](https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8) - NVD: [https://nvd.nist.gov/vuln/detail/CVE-2022-24836](https://nvd.nist.gov/vuln/detail/CVE-2022-24836)
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