Doorkeeper is vulnerable to replay attacks

The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging failure to implement the OAuth 2.0 Token Revocation specification...

GHSA-3M6R-39P3-JQ25 Doorkeeper is vulnerable to replay attacks

The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging failure to implement the OAuth 2.0 Token Revocation specification...

keycloak: resource privilege extension via access token in oauth

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself...

keycloak: resource privilege extension via access token in oauth

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself...

Moderate: Red Hat Security Advisory: rh-sso7-keycloak security update

An update for rh-sso7-keycloak is now available for Red Hat Single Sign-On 7.1 for RHEL 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2017-12160

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself...

keycloak: resource privilege extension via access token in oauth

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself...

Slack: Unauthenticated LFI revealing log information

@juji found a bug which allowed the disclosure of local files on certain servers - this included PHP files and logs. We performed a thorough investigation to ensure that this issue was not exploited, and as a precaution revoked tokens which were inadvertently logged. Thanks @juji! Write-up...

Fixing HPKP with Certificate Constraints

This is the third post in my series on HPKP. In my first post I declared HPKP dead, and in my second post I explored the possibility of fixing it by introducing pin revocation. Today I will consider an entirely different approach to make HPKP much safer, by changing how it’s activated. In my...

Fixing HPKP with Pin Revocation

Last year, almost exactly to the day, I declared HPKP effectively dead. I believed then—and I still do—that HPKP is too complex and too dangerous to be worth the effort. The biggest problem lies in the fact that there is no sufficient margin of safety; pinning failures are always catastrophic...

Moderate: Red Hat Security Advisory: Red Hat Certificate System 8 security, bug fix, and enhancement update

An update is now available for Red Hat Certificate System 8 with Advanced Access. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

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...

Microsoft to remove WoSign and StartCom certificates in Windows 10

Microsoft has concluded that the Chinese Certificate Authorities CAs WoSign and StartCom have failed to maintain the standards required by our Trusted Root Program. Observed unacceptable security practices include back-dating SHA-1 certificates, mis-issuances of certificates, accidental certifica...

Code injection

A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked. This vulnerability affected...

CVE-2017-6664

A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked. This vulnerability affected...

CVE-2017-6664

A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked. This vulnerability affected...

Cisco IOS XE Software Autonomic Networking Infrastructure Certificate Revocation Vulnerability

A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked. SPDX-FileCopyrightText: 2017...

Cisco IOS XE Software ANI Certificate Revocation Vulnerability

Cisco IOS is the interconnected Internet operating system used on most Cisco Systems routers and network switches. A security vulnerability in the Autonomic Networking feature of Cisco IOS XE Software allows remote attackers to exploit the vulnerability by submitting a special request to revoke a...

Cisco IOS XE Software Autonomic Networking Infrastructure Certificate Revocation Vulnerability

A vulnerability in the Autonomic Networking feature of Cisco IOS XE Software could allow an unauthenticated, remote, autonomic node to access the Autonomic Networking infrastructure of an affected system, after the certificate for the autonomic node has been revoked. The vulnerability exists...

[SECURITY] Fedora 26 Update: myproxy-6.1.28-1.fc26

MyProxy is open source software for managing X.509 Public Key Infrastructure PKI security credentials certificates and private keys. MyProxy combines an online credential repository with an online certificate authority to allow users to securely obtain credentials when and where need ed. Users ru...