Zyxel Unauthenticated LAN Remote Code Execution Exploit

This Metasploit module exploits a buffer overflow in the zhttpd binary /bin/zhttpd. It is present on more than 40 Zyxel routers and CPE devices. The code execution vulnerability can only be exploited by an attacker if the zhttp webserver is reachable. No authentication is required. After...

OpenSSL 信任管理问题漏洞

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-2023-0464

A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of...

Oracle Linux 7 : openssl (ELSA-2023-12205)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-12205 advisory. - Fixes CVE-2023-0286 X.400 address type confusion in X.509 GeneralName Tenable has extracted the preceding description block directly from the Oracle Linux...

CentOS 7 : openssl (RHSA-2023:1335)

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1335 advisory. - There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the...

Important: openssl

Issue Overview: The BNmodsqrt function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli. Internally this function is used when parsing certificates that contain elliptic curve public keys in compressed form or explicit elliptic curve...

Low: openssl

Issue Overview: If an X.509 certificate contains a malformed policy constraint and policy processing is enabled, then a write lock will be taken twice recursively. On some operating systems most widely: Windows this results in a denial of service when the affected process hangs. Policy processing...

ALSA-2023:1405 Important: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: X.400 address type confusion in X.509 GeneralName CVE-2023-0286 openssl: timing attack in RSA...

OpenSSL 1.0.2 < 1.0.2zh Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 1.0.2zh. It is, therefore, affected by multiple vulnerabilities as referenced in the 1.0.2zh advisory. - Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact...

Oracle Linux 7 : openssl (ELSA-2023-12210)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-12210 advisory. - Fixes CVE-2023-0286 X.400 address type confusion in X.509 GeneralName Tenable has extracted the preceding description block directly from the Oracle Linux...

OpenSSL 3.0.0 < 3.0.9 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 3.0.9. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.0.9 advisory. - The function X509VERIFYPARAMadd0policy is documented to implicitly enable the certificate policy check when doing certificate...

openssl security update

1:1.0.2k-26 - Fixes CVE-2023-0286 X.400 address type confusion in X.509 GeneralName - Resolves: rhbz2176790...

Medium: openssl

Issue Overview: AES OCB mode for 32-bit x86 platforms using the AES-NI assembly optimized implementation will not encrypt the entirety of the data under some circumstances. This could reveal sixteen bytes of data that was preexisting in the memory that wasn't written. In the special case of "in...

openssl security update

1.0.2k-26fips - Change Epoch from 1 to 10 - Fix DH self-test to add shared secret comparison Orabug: 32467026 - Add DH support changes for SP 800-56A rev3 requirements Orabug: 32467059 - Add TLS KDF self-test Orabug: 32467193 - Add EC keys pairwise consistency test Orabug: 32467059 1:1.0.2k-26 -...

OpenSSL 3.1.0 < 3.1.1 Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 3.1.1. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.1.1 advisory. - Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary:...

OpenSSL 1.1.1 < 1.1.1u Multiple Vulnerabilities

The version of OpenSSL installed on the remote host is prior to 1.1.1u. It is, therefore, affected by multiple vulnerabilities as referenced in the 1.1.1u advisory. - Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary...

Important: openssl security update

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL and Transport Layer Security TLS protocols, as well as a full-strength general-purpose cryptography library. Security Fixes: openssl: X.400 address type confusion in X.509 GeneralName CVE-2023-0286 openssl: timing attack in RSA...

Security Bulletin: Multiple vulnerabilities in OpenSSL affect AIX

Summary Vulnerabilities in OpenSSL could allow a remote attacker to cause a denial service CVE-2022-3996, CVE-2023-0401, CVE-2022-4203, CVE-2023-0216, CVE-2023-0215, CVE-2023-0217, CVE-2023-0286, CVE-2022-4450 or obtain sensitive information CVE-2022-4304. OpenSSL is used by AIX as part of AIX's...

Multiple vulnerabilities in OpenSSL affect AIX

IBM SECURITY ADVISORY First Issued: Tue Mar 21 13:26:15 CDT 2023 The most recent version of this document is available here: https://aix.software.ibm.com/aix/efixes/security/openssladvisory38.asc Security Bulletin: Multiple vulnerabilities in OpenSSL affect AIX...

Amazon Linux 2023 : openssl, openssl-devel, openssl-libs (ALAS2023-2023-101)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-101 advisory. A flaw was found in Open SSL. A read buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain...