CVE-2020-25739 Information

Description

An issue was discovered in the gon gem before gon-6.4.0 for Ruby. MultiJson does not honor the escape_mode parameter to escape fields as an XSS protection mechanism. To mitigate json_dumper.rb in gon now does escaping for XSS by default without relying on MultiJson.

CVSS Vector

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

Reference

https://github.com/gazay/gon/commit/fe3c7b2191a992386dc9edd37de5447a4e809bc7 https://lists.debian.org/debian-lts-announce/2020/09/msg00018.html https://usn.ubuntu.com/4560-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1