Denial Of Service (DoS)

cryptography is vulnerable to Denial of Service DoS. The vulnerability is due to NULL-pointer dereference while loading PKCS7 certificates. This could lead to Denial Of Service if an application is utilizing the loadderpkcs7certificates or loadpempkcs7certificates functions...

cryptography vulnerable to NULL-dereference when loading PKCS7 certificates

Summary Calling loadpempkcs7certificates or loadderpkcs7certificates could lead to a NULL-pointer dereference and segfault. PoC Here is a Python code that triggers the issue: python from cryptography.hazmat.primitives.serialization.pkcs7 import loadderpkcs7certificates, loadpempkcs7certificates...

PT-2023-8874

Name of the Vulnerable Software and Affected Versions cryptography versions prior to 41.0.6 Description The issue is related to the functions load pem pkcs7 certificates and load der pkcs7 certificates in the cryptography package, which can lead to a NULL-pointer dereference and segfault...

Denial Of Service (DoS)

org.bouncycastle: bcprov is vulnerable to Denial of Service DoS. The vulnerability arises due to parsing certificates in the PEMParser class. This class is responsible for parsing X.509 certificates, encoded keys and PKCS7 objects. The parser can throw an OutOfMemoryError while parsing crafted...

CVE-2023-33202

A flaw was found in Bouncy Castle for the Java pkix module, which is vulnerable to a potential Denial of Service DoS issue within the org.bouncycastle.openssl.PEMParser class. This class parses OpenSSL PEM encoded streams containing X.509 certificates, PKCS8 encoded keys, and PKCS7 objects. Parsi...

Advisory ROSA-SA-2023-2298

Software: gnutls 3.6.16 OS: ROSA Virtualization 2.1 packageevrstring: gnutls-3.6.16-6.0.1.rv3.src.rpm CVE-ID: CVE-2021-4209 BDU-ID: 2022-01898 CVE-Crit: MEDIUM CVE-DESC.: An implementation vulnerability in the wrapnettlehashfast function of the GnuTLS cryptographic library is related to pointer...

Rockwell Automation Stratix OpenSSL PKCS7 NULL Pointer Dereference Denial of Service (CVE-2015-0289)

Multiple Cisco products incorporate a version of the OpenSSL package affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to cause a denial of service DoS condition or corrupt portions of OpenSSL process memory. This plugin only works with Tenable.ot. Pleas...

Rocky Linux 9 : gnutls and nettle (RLSA-2022:6854)

The remote Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2022:6854 advisory. - A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutlspkcs7verify...

Huawei EulerOS: Security Advisory for openssl (EulerOS-SA-2023-3075)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG 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-only ifdescription...

Security Bulletin: IBM Spectrum Symphony openssl 1.1.1 End of Life

Summary IBM Spectrum Symphony openssl 1.1.1 End of Life Vulnerability Details CVEID:CVE-2023-0464 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error related to the verification of X.509 certificate chains that include policy constraints. By creating a specially crafted...

FreeBSD : FreeBSD -- Multiple vulnerabilities in OpenSSL (c8eb4c40-47bd-11ee-8e38-002590c1f29c)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the c8eb4c40-47bd-11ee-8e38-002590c1f29c advisory. - A timing based side channel exists in the OpenSSL RSA Decryption implementation which could ...

DOS for Handling of crafted recursive ASN.1 structures

Constructed ASN.1 types with a recursive definition such as can be found in PKCS7 could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources, s...

Huawei EulerOS: Security Advisory for openssl (EulerOS-SA-2023-2464)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG 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-only ifdescription...

EulerOS Virtualization 3.0.6.6 : shim (EulerOS-SA-2023-2435)

According to the versions of the shim package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - The public API function BIOnewNDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally to...

openssl: use-after-free following BIO_new_NDEF

A use-after-free vulnerability was found in OpenSSL's BIOnewNDEF function. The public API function BIOnewNDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally by OpenSSL to support the SMIME, CMS, and PKCS7 streaming capabilities, but it may also be...

Medium: openssl11

Issue Overview: Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications that use OBJobj2txt directly, or use any of the OpenSSL subsystems OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS with no message size limit may...

Security Bulletin: IBM Spectrum Control is vulnerable to multiple weaknesses related to OpenSSL

Summary Vulnerabilities in OpenSSL such as denial of service, may affect IBM Spectrum Control. Vulnerability Details CVEID:CVE-2022-4450 DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a double-free error related to the improper handling of specific PEM data by the PEMreadbio...

Ubuntu 16.04 ESM : OpenSSL vulnerability (USN-6188-1)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-6188-1 advisory. Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to...

EulerOS Virtualization 3.0.6.0 : gnutls (EulerOS-SA-2023-2221)

According to the versions of the gnutls packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing...

Huawei EulerOS: Security Advisory for gnutls (EulerOS-SA-2023-2221)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG 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-only ifdescription...