GoogleOSV:GHSA-CRJR-9RC5-GHW8Nokogiri Inefficient Regular Expression Complexity
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
77.2%
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).
References
CWE-1333 Inefficient Regular Expression Complexity
Credit
This vulnerability was reported by HackerOne user ooooooo_q (ななおく).
References
seclists.org/fulldisclosure/2022/Dec/23
github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2022-24836.yml
github.com/sparklemotion/nokogiri
github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd
github.com/sparklemotion/nokogiri/releases/tag/v1.13.4
github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8
groups.google.com/g/ruby-security-ann/c/vX7qSjsvWis/m/TJWN4oOKBwAJ?utm_medium=email&utm_source=footer
lists.debian.org/debian-lts-announce/2022/05/msg00013.html
lists.debian.org/debian-lts-announce/2022/10/msg00018.html
lists.fedoraproject.org/archives/list/[email protected]/message/6DHCOWMA5PQTIQIMDENA7R2Y5BDYAIYM
lists.fedoraproject.org/archives/list/[email protected]/message/OUPLBUZVM4WPFSXBEP2JS3R6LMKRTLFC
lists.fedoraproject.org/archives/list/[email protected]/message/XMDCWRQXJQ3TFSETPCEFMQ6RR6ME5UA3
nvd.nist.gov/vuln/detail/CVE-2022-24836
security.gentoo.org/glsa/202208-29
support.apple.com/kb/HT213532
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
77.2%