SB2022061205 - Security restrictions bypass in Nokogiri
Published: June 12, 2022
Security Bulletin ID
SB2022061205
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect Regular Expression (CVE-ID: CVE-2022-24836)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to usage of an incorrect regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. A remote attacker can bypass implemented restrictions.
Remediation
Install update from vendor's website.
References
- https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8
- https://github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3/
- 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/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM/
- https://lists.debian.org/debian-lts-announce/2022/05/msg00013.html