PT-2021-19821 · Emissary · Emissary

Pwntester · Published 2021-05-21 · Updated 2021-05-28 · CVE-2021-32634

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Emissary version 6.4.0

Description Emissary is a distributed, peer-to-peer, data-driven workflow framework. The issue is related to Unsafe Deserialization of post-authenticated requests to the "WorkSpaceClientEnqueue.action" REST endpoint, which may lead to post-auth Remote Code Execution.

Recommendations For Emissary version 6.4.0, update to version 6.5.0 to resolve the issue. As a temporary workaround, consider disabling network access to Emissary from untrusted sources.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2021-32634

GHSA-M5QF-GFMP-7638

Affected Products

Emissary

References · 6

• https://github.com/NationalSecurityAgency/emissary/commit/40260b1ec1f76cc92361702cc14fa1e4388e19d7 · Patch
• https://osv.dev/vulnerability/CVE-2021-32634 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32634 · Security Note
• https://github.com/NationalSecurityAgency/emissary · Note
• https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-m5qf-gfmp-7638 · Note
• https://t.me/cvenotify/15165 · Telegram Post