CVE-2021-3011

Medium

Description

An electromagnetic-wave side-channel issue was discovered on NXP SmartMX / P5x security microcontrollers and A7x secure authentication microcontrollers, with CryptoLib through v2.9. It allows attackers to extract the ECDSA private key after extensive physical access (and consequently produce a clone). This was demonstrated on the Google Titan Security Key, based on an NXP A7005a chip. Other FIDO U2F security keys are also impacted (Yubico YubiKey Neo and Feitian K9, K13, K21, and K40) as well as several NXP JavaCard smartcards (J3A081, J2A081, J3A041, J3D145_M59, J2D145_M59, J3D120_M60, J3D082_M60, J2D120_M60, J2D082_M60, J3D081_M59, J2D081_M59, J3D081_M61, J2D081_M61, J3D081_M59_DF, J3D081_M61_DF, J3E081_M64, J3E081_M66, J2E081_M64, J3E041_M66, J3E016_M66, J3E016_M64, J3E041_M64, J3E145_M64, J3E120_M65, J3E082_M65, J2E145_M64, J2E120_M65, J2E082_M65, J3E081_M64_DF, J3E081_M66_DF, J3E041_M66_DF, J3E016_M66_DF, J3E041_M64_DF, and J3E016_M64_DF).

SeverityMedium
CVSS4.2
Exploit probability—
ProductGoogle Titan Security Key
PublishedJan 7, 2021
First seenJan 7, 2021

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
google titan_security_keyNo range specified—
ftsafe k13No range specified—
ftsafe k21No range specified—
ftsafe k40No range specified—
ftsafe k9No range specified—
nxp 3a081No range specified—
nxp a7005aNo range specified—
nxp j2a081No range specified—
nxp j2d081_m59No range specified—
nxp j2d081_m61No range specified—
nxp j2d082_m60No range specified—
nxp j2d120_m60No range specified—
nxp j2d145_m59No range specified—
nxp j2e081_m64No range specified—
nxp j2e082_m65No range specified—
nxp j2e120_m65No range specified—
nxp j2e145_m64No range specified—
nxp j3a041No range specified—
nxp j3d081_m59No range specified—
nxp j3d081_m59_dfNo range specified—
nxp j3d081_m61No range specified—
nxp j3d081_m61_dfNo range specified—
nxp j3d082_m60No range specified—
nxp j3d120_m60No range specified—
nxp j3d145_m59No range specified—
nxp j3e016_m64No range specified—
nxp j3e016_m64_dfNo range specified—
nxp j3e016_m66No range specified—
nxp j3e016_m66_dfNo range specified—
nxp j3e041_m64No range specified—
nxp j3e041_m64_dfNo range specified—
nxp j3e041_m66No range specified—
nxp j3e041_m66_dfNo range specified—
nxp j3e081_m64No range specified—
nxp j3e081_m64_dfNo range specified—
nxp j3e081_m66No range specified—
nxp j3e081_m66_dfNo range specified—
nxp j3e082_m65No range specified—
nxp j3e120_m65No range specified—
nxp j3e145_m64No range specified—
nxp p5010No range specified—
nxp p5020No range specified—
nxp p5021No range specified—
nxp p5040No range specified—
yubico yubikey_neoNo range specified—

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CVE-2021-3011 · Google Titan Security Key · Dark Radar