UBUNTU-CVE-2019-14859

A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable...

CVE-2019-14859

A flaw was found in python-ecdsa, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false...

CVE-2016-7056

A timing attack flaw was found in OpenSSL that could allow a malicious user with local access to recover ECDSA P-256 private keys...

GHSA-PWFW-MGFJ-7G3G ecdsa Denial of Service vulnerability in signature verification and signature malleability

possible DoS in signature verification and signature malleability Impact Code using VerifyingKey.verify and VerifyingKey.verifydigest may receive exceptions other than the documented BadSignatureError when signatures are malformed. If those other exceptions are not caught, they may lead to progra...

ecdsa Denial of Service vulnerability in signature verification and signature malleability

possible DoS in signature verification and signature malleability Impact Code using VerifyingKey.verify and VerifyingKey.verifydigest may receive exceptions other than the documented BadSignatureError when signatures are malformed. If those other exceptions are not caught, they may lead to progra...

security/py-ecdsa -- multiple issues

py-ecdsa developers report: Fix CVE-2019-14853 - possible DoS caused by malformed signature decoding. Fix CVE-2019-14859 - signature malleability caused by insufficient checks of DER encoding...

Fedora 29 : mbedtls (2019-89891f3e4a)

Update to 2.16.3 - Side channel attack on deterministic ECDSA CVE-2019-16910 Release notes: https://tls.mbed.org/tech-updates/releases/mbedtls-2.16.3-and-2.7.12-r eleased Security Advisory: https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security -advisory-2019-10 Note that Tenable...

Fedora 31 : mbedtls (2019-1240f0fe43)

Update to 2.16.3 - Side channel attack on deterministic ECDSA CVE-2019-16910 Release notes: https://tls.mbed.org/tech-updates/releases/mbedtls-2.16.3-and-2.7.12-r eleased Security Advisory: https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security -advisory-2019-10 Note that Tenable...

Fedora 30 : mbedtls (2019-07940971b2)

Update to 2.16.3 - Side channel attack on deterministic ECDSA CVE-2019-16910 Release notes: https://tls.mbed.org/tech-updates/releases/mbedtls-2.16.3-and-2.7.12-r eleased Security Advisory: https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security -advisory-2019-10 Note that Tenable...

CVE-2019-14853

An error-handling flaw was found in python-ecdsa. During signature decoding, malformed DER signatures could raise unexpected exceptions or no exceptions at all, which could lead to a denial of service...

Amazon Linux 2 : nss (ALAS-2019-1305)

A cached side channel attack during handshakes using RSA encryption could allow for the decryption of encrypted content. This is a variant of the Adaptive Chosen Ciphertext attack AKA Bleichenbacher attack and affects all NSS versions prior to NSS 3.41. CVE-2018-12404 Libgcrypt before 1.7.10 and...

CVE-2019-13628

wolfSSL and wolfCrypt 4.0.0 and earlier when configured without --enable-fpecc, --enable-sp, or --enable-sp-math contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about th...

CVE-2019-13629

MatrixSSL 4.2.1 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or a remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because crypto/pubkey/eccmath.c scalar...

CVE-2019-15809

Smart cards from the Athena SCS manufacturer, based on the Atmel Toolbox 00.03.11.05 and the AT90SC chip, contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private...

CVE-2019-15809

Smart cards from the Athena SCS manufacturer, based on the Atmel Toolbox 00.03.11.05 and the AT90SC chip, contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private...

CVE-2019-13628

wolfSSL and wolfCrypt 4.0.0 and earlier when configured without --enable-fpecc, --enable-sp, or --enable-sp-math contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about th...

DEBIAN-CVE-2019-13628

wolfSSL and wolfCrypt 4.0.0 and earlier when configured without --enable-fpecc, --enable-sp, or --enable-sp-math contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about th...

Design/Logic Flaw

wolfSSL and wolfCrypt 4.0.0 and earlier when configured without --enable-fpecc, --enable-sp, or --enable-sp-math contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about th...

CVE-2019-13629

MatrixSSL 4.2.1 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or a remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because crypto/pubkey/eccmath.c scalar...

CVE-2019-13628

wolfSSL and wolfCrypt 4.0.0 and earlier when configured without --enable-fpecc, --enable-sp, or --enable-sp-math contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about th...