CVE-2023-49103

7.5HIGH

Key Information

Vendor: Owncloud
Status: Graph Api
Vendor: CVE Published:; 21 November 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 95%🦅 CISA Reported📰 News Worthy

Summary

An issue was discovered in ownCloud owncloud/graphapi 0.2.x before 0.2.1 and 0.3.x before 0.3.1. The graphapi app relies on a third-party GetPhpInfo.php library that provides a URL. When this URL is accessed, it reveals the configuration details of the PHP environment (phpinfo). This information includes all the environment variables of the webserver. In containerized deployments, these environment variables may include sensitive data such as the ownCloud admin password, mail server credentials, and license key. Simply disabling the graphapi app does not eliminate the vulnerability. Additionally, phpinfo exposes various other potentially sensitive configuration details that could be exploited by an attacker to gather information about the system. Therefore, even if ownCloud is not running in a containerized environment, this vulnerability should still be a cause for concern. Note that Docker containers from before February 2023 are not vulnerable to the credential disclosure.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2023-49103 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-49103
Created by creacitysec

OwnCloud-CVE-2023-49103
Created by merlin-ke

News Articles

Rapid7

CVE-2024-0204 CVE-2023-49103

CVE-2024-0204: Critical Authentication Bypass in Fortra GoAnywhere MFT | Rapid7 Blog

On 1/22/24, Fortra published a security advisory on CVE-2024-0204, a critical authentication bypass affecting its GoAnywhere MFT secure managed file transfer product prior to version 7.4.1.

11 months ago