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CVE-2026-4258

Опубликовано: 17 мар. 2026
Источник: debian

Описание

All versions of the package sjcl are vulnerable to Improper Verification of Cryptographic Signature due to missing point-on-curve validation in sjcl.ecc.basicKey.publicKey(). An attacker can recover a victim's ECDH private key by sending crafted off-curve public keys and observing ECDH outputs. The dhJavaEc() function directly returns the raw x-coordinate of the scalar multiplication result (no hashing), providing a plaintext oracle without requiring any decryption feedback.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
node-sjclitppackage

Связанные уязвимости

CVSS3: 7.5
nvd
12 дней назад

All versions of the package sjcl are vulnerable to Improper Verification of Cryptographic Signature due to missing point-on-curve validation in sjcl.ecc.basicKey.publicKey(). An attacker can recover a victim's ECDH private key by sending crafted off-curve public keys and observing ECDH outputs. The dhJavaEc() function directly returns the raw x-coordinate of the scalar multiplication result (no hashing), providing a plaintext oracle without requiring any decryption feedback.

CVSS3: 7.5
github
12 дней назад

sjcl is missing point-on-curve validation in sjcl.ecc.basicKey.publicKey