PT-2018-17768 · Etherpad · Etherpad Lite

Published 2018-02-08 · Updated 2022-05-13 · CVE-2018-6835

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Etherpad Lite versions prior to 1.6.3

Description The issue is related to the mishandling of JSONP in the node/hooks/express/apicalls.js file, which allows remote attackers to bypass intended access restrictions.

Recommendations For versions prior to 1.6.3, update to version 1.6.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the apicalls.js file until a patch is applied.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-6835

GHSA-MVMV-RQ2J-97P2

Affected Products

Etherpad Lite

References · 7

• https://github.com/ether/etherpad-lite/commit/626e58cc5af1db3691b41fca7b06c28ea43141b1 · Patch
• https://osv.dev/vulnerability/CVE-2018-6835 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-mvmv-rq2j-97p2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-6835 · Security Note
• https://github.com/ether/etherpad-lite · Note
• https://github.com/ether/etherpad-lite/releases/tag/1.6.3 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6835 · Note