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eMudhra admits weak private keys can be reverse-engineered with AI assistance

2 reports5 discussions7 story updatesUpdated Oct 22 14:50

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India-licensed certificate authority eMudhra admits that the private keys of its 8 intermediate certificates are all small numbers less than 256, which can be recovered by brute force, and holders could theoretically forge trusted certificates to impersonate websites. Mozilla and Chrome blocked these certificates on October 17, Apple and Microsoft followed suit, and eMudhra revoked the relevant certificates the next day, saying the affected global TLS business accounts for about 1% of its revenue. Researcher Dennis Jackson said an AI agent recovered the private key on its first attempt under a simple prompt, and Mozilla also independently recovered it within hours of receiving the report. CERT-In and CCA have not yet issued public statements on the matter.

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Oct 22

  1. TeortaxesRelated discussion

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  2. TechCrunch AI

    Government websites worldwide go offline due to a PHP vulnerability, while Node.js, LiteLLM and others disclose security issues on the same day

    After AI discovered a critical security vulnerability in PHP, government websites in many countries around the world went offline, and the U.S. National Security Agency recommended that organizations using PHP update immediately or temporarily take their systems offline. On the same day, Node.js fixed four high-severity vulnerabilities, one of which allows remote code execution; the open-source LLM request proxy LiteLLM was hit by attackers who injected malicious code, and the malicious versions were published to PyPI, Docker Hub and GHCR, containing an information stealer that harvests cloud credentials, passwords and AI service credentials as well as a remote access trojan. LiteLLM said it has removed the malicious versions and images. In addition, the private key of the Indian certificate authority eMudhra was compromised, and security professionals say the cleanup effort will be larger than that of Heartbleed.

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Oct 21

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