Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm encrypted room key backup from the homeserver) because olm_pk_decrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build configurations.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-21460 | Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client (while it is attempting to retrieve an Olm encrypted room key backup from the homeserver) because olm_pk_decrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build configurations. |
Ubuntu USN |
USN-5194-1 | Olm vulnerability |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T00:26:54.020Z
Reserved: 2021-06-16T00:00:00
Link: CVE-2021-34813
No data.
Status : Modified
Published: 2021-06-16T18:15:09.730
Modified: 2024-11-21T06:11:15.373
Link: CVE-2021-34813
No data.
OpenCVE Enrichment
No data.
EUVD
Ubuntu USN