The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks.
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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:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
7
Affected Products
10
References
arm / mbed_crypto
| - |
| arm | mbed_tls | 2.17.0 - 2.20.0 | - |
| fedoraproject | fedora | - | - |
| fedoraproject | fedora | - | - |
| debian | debian_linux | - | - |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability
Impact