Monal before 4.9 does not implement proper sender verification on MAM and Message Carbon (XEP-0280) results. This allows a remote attacker (able to send stanzas to a victim) to inject arbitrary messages into the local history, with full control over the sender and receiver displayed to the victim.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T15:56:04.529Z

Reserved: 2020-10-04T00:00:00

Link: CVE-2020-26547

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-01T02:15:15.377

Modified: 2024-11-21T05:20:03.110

Link: CVE-2020-26547

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.