PT-2020-14720 · Rocket.Chat · Rocket.Chat

Ggazzo · Published 2020-08-18 · Updated 2020-08-20 · CVE-2020-15926

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Rocket.Chat versions through 3.4.2

Description The issue allows for Cross-Site Scripting (XSS) where an attacker can send a specially crafted message to a channel or in a direct message to the client, resulting in remote code execution on the client side.

Recommendations For Rocket.Chat versions through 3.4.2, update to a version later than 3.4.2 to resolve the issue. As a temporary workaround, consider restricting the ability to send specially crafted messages to channels or direct messages until a patch is available.

Exploit

Fix

RCE

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-15926

Affected Products

Rocket.Chat

References · 11

• 🔥 https://blog.redteam.pl/2020/08/rocket-chat-xss-rce-cve-2020-15926.html · Exploit
• https://github.com/RocketChat/Rocket.Chat/pull/18356 · Patch
• https://github.com/RocketChat/Rocket.Chat/commits/develop · Patch
• https://osv.dev/vulnerability/CVE-2020-15926 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15926 · Security Note
• https://t.me/canyoupwnme/6588 · Telegram Post
• https://t.me/defcon_news/55054 · Telegram Post
• https://t.me/cybersecuritytechnologies/1607 · Telegram Post
• https://t.me/thebugbountyhunter/4603 · Telegram Post
• https://t.me/ckure/5283 · Telegram Post
• https://t.me/rnetsec/13128 · Telegram Post