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...

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...

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...

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...

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

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

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...

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...

Cisco Firepower Threat Defense 安全漏洞

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...

PT-2022-5685 · Cisco · Cisco Ftd

Name of the Vulnerable Software and Affected Versions: Cisco Firepower Threat Defense FTD Software affected versions not specified Description: A vulnerability in the TLS handler could allow an unauthenticated, remote attacker to gain access to sensitive information. This issue is due to improper...

Researchers Uncover Ways to Break the Encryption of 'MEGA' Cloud Storage Service

A new piece of research from academics at ETH Zurich has identified a number of critical security issues in the MEGA cloud storage service that could be leveraged to break the confidentiality and integrity of user data. In a paper titled "MEGA: Malleable Encryption Goes Awry," the researchers poi...

python-rsa: bleichenbacher timing oracle attack against RSA decryption

A flaw was found in python-rsa, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption API, to decrypt parts of the ciphertext encrypted with RSA. The highest threat from this vulnerability is to confidentiality...

Use of a Broken or Risky Cryptographic Algorithm in Apache WSS4J

The implementations of PKCS1 v1.5 key transport mechanism for XMLEncryption in JBossWS and Apache WSS4J before 1.6.5 is susceptible to a Bleichenbacher attack...

GHSA-4QQF-HMV6-R6WH Use of a Broken or Risky Cryptographic Algorithm in Apache WSS4J

The implementations of PKCS1 v1.5 key transport mechanism for XMLEncryption in JBossWS and Apache WSS4J before 1.6.5 is susceptible to a Bleichenbacher attack...

python-cryptography: Bleichenbacher timing oracle attack against RSA decryption

A flaw was found in python-cryptography, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption API, to decrypt parts of the ciphertext encrypted with RSA. The highest threat from this vulnerability is to confidentiality...

OpenSSL: CMS and S/MIME Bleichenbacher Attack (20120312) - Windows

OpenSSL is prone to a Bleichenbacher attack. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

USN-4990-1: Nettle vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 18.04 Description It was discovered that Nettle incorrectly handled RSA decryption. A remote attacker could possibly use this issue to cause Nettle to crash, resulting in a denial of service. CVE-2021-3580 It was discovere...