Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.
Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.
Medium
A command chain injection flaw in PHP Composer allows attackers to execute arbitrary commands and establish backdoors in every PHP package. The vulnerability has the potential to be exploited to conduct supply-chain attacks.
The vulnerability is caused by improper sanitization of URLs for repositories in root composer.json files and package source download URLs that could be interpreted as options for system commands executed by Composer.
Privilege Escalation
Composer
Composer up to 1.10.21/2.0.12
Download the latest patches and upgrade to version 1.10.22 or 2.0.13 from https://github.com/composer/composer/releases/tag/2.0.13