CVE-2020-26247

Description

Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri before version 1.11.0.rc4 there is an XXE vulnerability. XML Schemas parsed by Nokogiri::XML::Schema are trusted by default, allowing external resources to be accessed over the network, potentially enabling XXE or SSRF attacks. This behavior is counter to the security policy followed by Nokogiri maintainers, which is to treat all input as untrusted by default whenever possible. This is fixed in Nokogiri version 1.11.0.rc4.

Risk Information

Base Score

4.3

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Score

Exploitation Probability

0.717

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2020-26247 are fixed in Ruby-nokogiri 1.11.0	Windows
Multiple Vulnerabilities are affected in IBM Aspera Shares 1.10.1	Windows
Vulnerabilities CVE-2020-26247 are fixed in Ruby-nokogiri for Linux 1.11.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234