ID |
CVE-2021-34813
|
Summary |
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. |
References |
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Vulnerable Configurations |
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CVSS |
Base: | 7.5 (as of 23-06-2021 - 14:29) |
Impact: | |
Exploitability: | |
|
CWE |
CWE-787 |
CAPEC |
|
Access |
Vector | Complexity | Authentication |
NETWORK |
LOW |
NONE |
|
Impact |
Confidentiality | Integrity | Availability |
PARTIAL |
PARTIAL |
PARTIAL |
|
cvss-vector
via4
|
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
Last major update |
23-06-2021 - 14:29 |
Published |
16-06-2021 - 18:15 |
Last modified |
23-06-2021 - 14:29 |