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CVSS: 4.7EPSS: 0%CPEs: 7EXPL: 0

CVE-2019-18222

https://notcve.org/view.php?id=CVE-2019-18222

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. La implementación de la firma ECDSA en el archivo ecdsa.c en Arm Mbed Crypto versión 2.1 y Mbed TLS versiones hasta 2.19.1, no reduce el escalar ciego antes de calcular el inverso, lo que permite a un atacante local recuperar la clave privada por medio de ataques de canal lateral. • https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A3GWQNONS7GRORXZJ7MOJFUEJ2ZJ4OUW https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGDACU65MYZXXVPQP2EBHUJGOR4RWLVY https://tls.mbed.org/tech-updates/security-advisories https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2019-12 • CWE-203: Observable Discrepancy •

CVSS: 5.3EPSS: 0%CPEs: 8EXPL: 0

CVE-2019-16910

https://notcve.org/view.php?id=CVE-2019-16910

Arm Mbed TLS before 2.19.0 and Arm Mbed Crypto before 2.0.0, when deterministic ECDSA is enabled, use an RNG with insufficient entropy for blinding, which might allow an attacker to recover a private key via side-channel attacks if a victim signs the same message many times. (For Mbed TLS, the fix is also available in versions 2.7.12 and 2.16.3.) Arm Mbed TLS versiones anteriores a 2.19.0 y Arm Mbed Crypto versiones anteriores a 2.0.0, cuando el ECDSA determinista está habilitado, usa un RNG con entropía insuficiente para el cegamiento, lo que podría permitir a un atacante recuperar una clave privada por medio de ataques de canal lateral si una víctima firma el mismo mensaje muchas veces. (Para Mbed TLS, la corrección también está disponible en las versiones 2.7.12 y 2.16.3.) • https://github.com/ARMmbed/mbedtls/commit/298a43a77ec0ed2c19a8c924ddd8571ef3e65dfd https://github.com/ARMmbed/mbedtls/commit/33f66ba6fd234114aa37f0209dac031bb2870a9b https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGSKQSGR5SOBRBXDSSPTCDSBB5K3GMPF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSFFOROD6IVLADZHNJC2LPDV7FQRP7XB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproje •

CVSS: 4.7EPSS: 0%CPEs: 3EXPL: 0

CVE-2018-19608

https://notcve.org/view.php?id=CVE-2018-19608

Arm Mbed TLS before 2.14.1, before 2.7.8, and before 2.1.17 allows a local unprivileged attacker to recover the plaintext of RSA decryption, which is used in RSA-without-(EC)DH(E) cipher suites. Arm Mbed TLS en versiones anteriores a la 2.14.1, 2.7.8 y a la 2.1.17 permite que un atacante local sin privilegios recupere el texto plano del descifrado RSA, que se emplea en suites de cifrado RSA-without-(EC)DH(E). • http://cat.eyalro.net https://tls.mbed.org/tech-updates/releases/mbedtls-2.14.1-2.7.8-and-2.1.17-released https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-03 • CWE-269: Improper Privilege Management •

CVSS: 5.9EPSS: 0%CPEs: 5EXPL: 0

CVE-2018-0497

https://notcve.org/view.php?id=CVE-2018-0497

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows remote attackers to achieve partial plaintext recovery (for a CBC based ciphersuite) via a timing-based side-channel attack. This vulnerability exists because of an incorrect fix (with a wrong SHA-384 calculation) for CVE-2013-0169. ARM mbed TLS en versiones anteriores a la 2.12.0, en versiones anteriores a la 2.7.5 y en versiones anteriores a la 2.1.14 permite a los atacantes remotos lograr una recuperación parcial de texto plano (para un ciphersuite basado en CBC) mediante un ataque de canal lateral basado en tiempo. Esta vulnerabilidad existe debido a una solución incorrecta (con un cálculo SHA-384 incorrecto) para CVE-2013-0169. • https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02 https://usn.ubuntu.com/4267-1 https://www.debian.org/security/2018/dsa-4296 •

CVSS: 4.7EPSS: 0%CPEs: 5EXPL: 0

CVE-2018-0498

https://notcve.org/view.php?id=CVE-2018-0498

ARM mbed TLS before 2.12.0, before 2.7.5, and before 2.1.14 allows local users to achieve partial plaintext recovery (for a CBC based ciphersuite) via a cache-based side-channel attack. ARM mbed TLS en versiones anteriores a la 2.12.0, en versiones anteriores a la 2.7.5 y en versiones anteriores a la 2.1.14 permite a los usuarios locales lograr una recuperación parcial de texto plano (para un ciphersuite basado en CBC) mediante un ataque de canal lateral basado en caché. • https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-02 https://usn.ubuntu.com/4267-1 https://www.debian.org/security/2018/dsa-4296 •