CVE-2016-9121

go-jose before 1.0.4 suffers from an invalid curve attack for the ECDH-ES algorithm. When deriving a shared key using ECDH-ES for an encrypted message, go-jose neglected to check that the received public key on a message is on the same curve as the static private key of the receiver, thus making ...

CVE-2016-9121

CVE-2016-9121 affects square/go-jose prior to version 1.0.4, where ECDH-ES shared-key derivation neglects to verify that the received public key lies on the same elliptic curve as the receiver’s private key. This enables an invalid-curve attack during decryption and is stated across multiple sour...

PT-2017-9958

Name of the Vulnerable Software and Affected Versions go-jose versions prior to 1.0.4 Description The issue arises from an invalid curve attack for the ECDH-ES algorithm. When deriving a shared key using ECDH-ES for an encrypted message, the received public key on a message is not checked to be o...

CVE-2016-9121: Inadequate Encryption Strength

go-jose before 1.0.4 suffers from an invalid curve attack for the ECDH-ES algorithm. When deriving a shared key using ECDH-ES for an encrypted message, go-jose neglected to check that the received public key on a message is on the same curve as the static private key of the receiver, thus making ...

JSON Libraries Patched Against Invalid Curve Crypto Attack

A number of JSON libraries using the JSON Web Encryption specification JWE to create, sign and encrypt access tokens have been patched against an attack that allows for the recovery of a private key. Researcher Antonio Sanso of Adobe said the go-jose, node-jose, jose2go, Nimbus JOSE+WT and jose4...

Invalid Curve Attack

node-jose, nimbus-jose-jwt and jose4j are vulnerable to invalid curve attacks. These attacks are possible when using key agreement with Elliptic Curve Diffie-Hellman Ephemeral Static ECDH-ES, allowing attackers to recover the private secret key...

Invalid Curve Attack

Overview Affected versions of node-jose are vulnerable to an invalid curve attack. This allows an attacker to recover the private secret key when JWE with Key Agreement with Elliptic Curve Diffie-Hellman Ephemeral Static ECDH-ES is used. Proof of Concept Recommendation Update to version 0.9.3 or...

Critical vulnerability in JSON Web Encryption (JWE) - RFC 7516

tl;dr if you are using go-jose, node-jose, jose2go, Nimbus JOSE+JWT or jose4j with ECDH-ES please update to the latest version. RFC 7516 aka JSON Web Encryption JWE hence many software libraries implementing this specification used to suffer from a classic Invalid Curve Attack. This would allow a...

Denial Of Service (DoS) Through Null Pointer Dereference

OpenSSL is vulnerable to denial of service DoS attacks. These attacks can be triggered in the ssl3sendclientkeyexchange function when an anonymous ECDH ciphersuite, caused a NULL certificate value...

ECDHE-to-ECDH Downgrade Attacks

OpenSSL is vulnerable to ECDHE-to-ECDH downgrade attacks. This is due to a flaw in ssl3getkeyexchange which allows attackers to trigger a loss of forward secrecy to omitting the ServerKeyExchange message...

F5 Networks BIG-IP : OpenSSL vulnerability (K43570545)

There is a carry propagating bug in the Broadwell-specific Montgomery multiplication procedure in OpenSSL 1.0.2 and 1.1.0 before 1.1.0c that handles input lengths divisible by, but longer than 256 bits. Analysis suggests that attacks against RSA, DSA and DH private keys are impossible. This is...

MGASA-2017-0042 Updated openssl packages fix security vulnerability

There is a carry propagation bug in the Broadwell-specific Montgomery multiplication procedure that handles input lengths divisible by, but longer than 256 bits. mong EC algorithms only Brainpool P-512 curves are affected and one presumably can attack ECDH key negotiation CVE-2016-7055. If an...

Updated openssl packages fix security vulnerability

There is a carry propagation bug in the Broadwell-specific Montgomery multiplication procedure that handles input lengths divisible by, but longer than 256 bits. mong EC algorithms only Brainpool P-512 curves are affected and one presumably can attack ECDH key negotiation CVE-2016-7055. If an...

OpenSSL 1.0.2 < 1.0.2k Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 1.0.2k. It is, therefore, affected by multiple vulnerabilities as referenced in the 1.0.2k advisory. - There is a carry propagating bug in the x8664 Montgomery squaring procedure in OpenSSL 1.0.2 before 1.0.2k and 1.1.0 before 1.1.0d...

Oracle Enterprise Manager Cloud Control Multiple Vulnerabilities (January 2017 CPU)

The version of Oracle Enterprise Manager Cloud Control installed on the remote host is affected by multiple vulnerabilities in the Enterprise Manager Base Platform component : - A flaw exists in the Bouncy Castle Java library due to improper validation of a point within the elliptic curve. An...

Tests Crypto Libraries Against Known Attacks: Wycheproof

Rests Crypto Libraries Against Known Attacks Project Wycheproof tests crypto libraries against known attacks. It is developed and maintained by members of Google Security Team, but it is not an official Google product. In cryptography, subtle mistakes can have catastrophic consequences. Good...

Google Unveils Cryptographic Library Test Suite Wycheproof

Google continues to be in a giving mood this holiday season. The company on Monday announced Project Wycheproof, a collection of unit tests designed to help check for weaknesses in cryptographic algorithms. The project comes two weeks after Google debuted a fuzzer to help developers discover...

Linux Network Analyzer: netsniff-ng

Linux Network Analyzer A Swiss army knife for your daily Linux network plumbing netsniff-ng is a free, performant Linux network analyzer and networking toolkit. If you will, the Swiss army knife for network packets. The gain of performance is reached by built-in zero-copy mechanisms, so that on...

OpenSSL Patches High-Severity Denial-of-Service Bug

OpenSSL on Thursday patched three vulnerabilities in its latest update, and reminded users running version 1.0.1 of the cryptographic library that that security support will end Dec. 31. Of the three bugs, only one was rated high severity and could lead to OpenSSL crashes. Only OpenSSL 1.1.0 is...

CVE-2016-7055

There is a carry propagating bug in the Broadwell-specific Montgomery multiplication procedure in OpenSSL 1.0.2 and 1.1.0 before 1.1.0c that handles input lengths divisible by, but longer than 256 bits. Analysis suggests that attacks against RSA, DSA and DH private keys are impossible. This is...