This advisory details a missing authentication and access control vulnerability allowing an unauthenticated attacker to gain unauthorised access to image data uploaded to CodiMD. Due to the insecure random filename generation functionality in the underlying Formidable library, filenames for uploaded images could be determined and the likelihood of this issue being exploited was increased.
Slack integrations such as webhook APIs are often used to alert on user actions to internal teams. A vulnerability was noted when user supplied data containing a large amount of white space was included in a request to the Slack webhook API. By including enough white space in this data, the messages would be split and truncated. As a result, the malicious payload after the whitespace would appear as a standalone message from the Slack bot. An attacker could exploit this to forge messages containing Slack message markup to perform social engineering and other attacks if an integration, such as a website or other software, included unvalidated user input in the message to the Slack webhook.
Configuring USBGuard without explicitly specifying vendor and product IDs allows an attacker to bypass some USB authorisation policies on Linux. A device may claim to belong to one USB class (e.g. say it’s a keyboard), but actually act as a network adapter, mass storage or other more exotic device. The Gnome desktop’s USB protection policies are vulnerable by default.
Modern threat‑intelligence feeds and link scanners have made previously private links searchable by anyone, like that invoice link or the doctor’s notes you were emailed last week. This article explores this data exposure problem, and how developers can protect their applications from disclosing sensitive information when URLs are logged by security tools.
This article demonstrates how a compromised Microsoft Entra ID‑joined device lets the attacker sign into any Entra authenticated service from anywhere on the Internet, bypassing passwords and MFA. We’ll discuss Primary Refresh Tokens and how to exploit this without dropping tools on the endpoint. This attack is also referred to as a pass-the-PRT attack.
Windows includes OpenSSH by default - ssh.exe. This means all those wonderful tricks we used as washed-up *nix sysadmins, we can now revisit as Offensive Security Consultants! This article shows how Windows’ OpenSSH can be used as a network proxy implant, deployed as a “remote-access trojan” for lower privileged users, and as a data exfiltration tool.