CVE-2020-26547

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/anurodhp/Monal/commits/develop
• https://monal.im/blog/cve-2020-26547/

References

• https://github.com/anurodhp/Monal/commits/develop
• https://monal.im/blog/cve-2020-26547/

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