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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-01T01:02:54

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 : Analyzed

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

Modified: 2021-02-05T16:16:20.807

Link: CVE-2020-26547

cve-icon Redhat

No data.