CVE-2022-4304

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages fo...

Design/Logic Flaw

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages fo...

CVE-2022-4304 Timing Oracle in RSA Decryption

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages fo...

CVE-2022-4304

CVE-2022-4304 describes a timing-based side‑channel in OpenSSL’s RSA decryption implementation that could allow recovering plaintext over the network via a Bleichenbacher‑style attack. It affects all RSA padding modes (PKCS#1 v1.5, RSA‑OAEP, and RSASVE). The connected Astra Linux bulletin reprodu...

CVE-2022-4304: Observable Discrepancy

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages fo...

Amazon Linux AMI : openssl (ALAS-2023-1683)

The version of openssl installed on the remote host is prior to 1.0.2k-16.162. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1683 advisory. A timing-based side channel exists in the OpenSSL RSA Decryption implementation, which could be sufficient to recover...

SUSE SLES12: libopenssl-1_0_0-devel / libopenssl-1_0_0-devel-32bit / etc (SUSE-SU-2023:0306-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0306-1 advisory. - CVE-2023-0286: Fixed X.400 address type confusion in X.509 GENERALNAMEcmp for x400Address bsc1207533. - CVE-2023-0215: Fixed...

SUSE SLED15: libopenssl-3-devel / libopenssl-3-devel-32bit / libopenssl3 / etc (SUSE-SU-2023:0312-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:0312-1 advisory. Security fixes: - CVE-2023-0286: Fixed X.400 address type confusion in X.509 GENERALNAMEcmp for...

CVE-2022-4304

A timing-based side channel exists in the OpenSSL RSA Decryption implementation, which could be sufficient to recover a ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption, an attacker would have to be able to send a very large number of trial messages...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : OpenSSL vulnerabilities (USN-5844-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5844-1 advisory. David Benjamin discovered that OpenSSL incorrectly handled X.400 address processing. A remote attacker could possibly use this...

Important: openssl

Issue Overview: A timing-based side channel exists in the OpenSSL RSA Decryption implementation, which could be sufficient to recover a ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption, an attacker would have to be able to send a very large number o...

OpenSSL 安全漏洞

OpenSSL is an open source capable general-purpose cryptographic library from the OpenSSL team that implements the Secure Sockets Layer SSLv2/v3 and Secure Transport Layer TLSv1 protocols. It supports a variety of cryptographic algorithms, including symmetric ciphers, hashing algorithms, secure...

CVE-2022-20940

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

CVE-2022-20940

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

Information disclosure

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

CVE-2022-20940: Observable Discrepancy

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

Cisco Firepower Threat Defense Information Disclosure Vulnerability

Cisco Firepower Threat Defense FTD is a suite of unified software from Cisco that provides next-generation firewall services.Cisco Firepower Threat Defense FTD Software is vulnerable to an information disclosure vulnerability that stems from its TLS handler's implementation of improper...

CVE-2022-20940

Cisco Firepower Threat Defense (FTD) Software is affected by a Bleichenbacher-related information disclosure in the TLS handler and SSL decryption policy implementation. The root cause is improper countermeasures against Bleichenbacher attacks, allowing an unauthenticated remote attacker to poten...

CVE-2022-20940

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...

Cisco Firepower Threat Defense Software SSL Decryption Policy Bleichenbacher Attack Vulnerability

A vulnerability in the TLS handler of Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to gain access to sensitive information. This vulnerability is due to improper implementation of countermeasures against a Bleichenbacher attack on a device that uses...