An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
11
Affected Products
12
References
arm / mbed_tls
| - |
| siemens | logo\!_cmr2020_firmware | 2.2 | - |
| siemens | logo\!_cmr2040_firmware | 2.2 | - |
| siemens | simatic_rtu3031c_firmware | - | - |
| siemens | simatic_rtu3041c_firmware | - | - |
| siemens | simatic_rtu3030c_firmware | - | - |
| siemens | simatic_rtu3000c_firmware | - | - |
| debian | debian_linux | - | - |
| debian | debian_linux | - | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability
Impact