PYSEC-2017-24

In PyJWT 1.5.0 and below the invalidstrings check in HMACAlgorithm.preparekey does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string -----BEGIN RSA PUBLIC KEY----- which is not accounted for. This enable...

PYSEC-2017-24

In PyJWT 1.5.0 and below the invalidstrings check in HMACAlgorithm.preparekey does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string -----BEGIN RSA PUBLIC KEY----- which is not accounted for. This enable...

DEBIAN-CVE-2017-11424

In PyJWT 1.5.0 and below the invalidstrings check in HMACAlgorithm.preparekey does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string -----BEGIN RSA PUBLIC KEY----- which is not accounted for. This enable...

CVE-2017-11424

CVE-2017-11424 affects PyJWT 1.5.0 and earlier, where the invalid_strings check in HMACAlgorithm.prepare_key fails to account for all PEM public-key formats (notably PKCS1 PEM prefixed with -----BEGIN RSA PUBLIC KEY-----), enabling key confusion attacks that could let an attacker craft JWTs from ...

UBUNTU-CVE-2017-11424

In PyJWT 1.5.0 and below the invalidstrings check in HMACAlgorithm.preparekey does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string -----BEGIN RSA PUBLIC KEY----- which is not accounted for. This enable...

DEBIAN-CVE-2017-11185

The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service NULL pointer dereference and daemon crash via a crafted RSA signature...

Explained: security certificates

As a result of my PowerShell series 1,2,3, where I used the handling of certificates as an example, mainly because I wanted a method to keep track easier of which certificates were being added by malware, I've have received some questions about how security certificates work and how they stopped...

kernel: security: The built-in keyrings for security tokens can be joined as a session and then modified by the root user

It was discovered that root can gain direct access to an internal keyring, such as '.dnsresolver' in RHEL-7 or '.builtintrustedkeys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyri...

OpenJDK: PKCS#8 implementation timing attack (JCE, 8176760)

A covert timing channel flaw was found in the PKCS8 implementation in the JCE component of OpenJDK. A remote attacker able to make a Java application repeatedly compare PKCS8 key against an attacker controlled value could possibly use this flaw to determine the key via a timing side channel...

strongSwan x509 Plugin Denial of Service (CVE-2017-9023)

A denial-of-service vulnerability exists in strongSwan. The vulnerability is due to improper parsing of various X.509 certificate extensions using ASN.1 CHOICE and SEQUENCE types within the X.509 and ASN.1 parsers. A remote attacker can exploit this vulnerability by sending a crafted public key...

Virtuozzo 6 : nss / nss-devel / nss-pkcs11-devel / nss-sysinit / etc (VZLSA-2017-1364)

An update for nss is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

Virtuozzo 7 : nss / nss-devel / nss-pkcs11-devel / nss-sysinit / etc (VZLSA-2017-1365)

An update for nss is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

Huawei SMC2.0 Denial of Service Vulnerability

Huawei SMC2.0 is a video management solution from Huawei, China. The solution supports both H.323 and SIP protocols, and supports access from computers and cell phones. A denial of service vulnerability exists in Huawei SMC2.0, which originates from the program failing to adequately validate...

Apache ActiveMQ Fileserver remote code execution vulnerability(CVE-2016-3088)

Author: The know Chong Yu 404 laboratory 1. Background overview ActiveMQ is an Apache Software Foundation under an open source message-driven middleware software. Jetty is an open source servlet container, it is based on Java web container such as JSP and servlet to provide the running...

Puppet mcollective-sshkey-security plugin public key override vulnerability

puppet is a centralized configuration management system for Linux, Unix, and windows platforms , using its own puppet description language , you can manage configuration files , users , cron tasks , packages , system services and so on. A security vulnerability exists in the puppet...

Majority of Sites Fail Mozilla's Comprehensive Security Review

A majority of the top 1 million websites earn an “F” letter grade when it comes to adopting defensive security technology that protect visitors from XSS vulnerabilities, man-in-the-middle attacks, and cookie hijacking. The failing grades come from a comprehensive analysis published this week by t...

http-security-headers NSE Script

Checks for the HTTP response headers related to security given in OWASP Secure Headers Project and gives a brief description of the header and its configuration value. The script requests the server for the header with http.head and parses it to list headers founds with their configurations. The...

CVE-2015-0936

Ceragon FibeAir IP-10 have a default SSH public key in the authorizedkeys file for the mateidu user, which allows remote attackers to obtain SSH access by leveraging knowledge of the private key...

strongSwan gmp plugin denial of service vulnerability

strongSwan is an open source IPsec-based VPN solution for Linux maintained by Swiss software developer Andreas Steffen. The solution includes X.509 public key certificates, secure storage of private keys, smart cards and other authentication mechanisms. gmp plugin is one of the plug-ins. A...

CVE-2017-9022

The gmp plugin in strongSwan before 5.5.3 does not properly validate RSA public keys before calling mpzpowmsec, which allows remote peers to cause a denial of service floating point exception and process crash via a crafted certificate...