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CUPS RCE: The Linux Printing Story That Went Viral Before CVEs Landed

Post author:Prabhu Kalyan Samal
Post published:September 28, 2024
Post category:Cloud & Infrastructure Security Web & API Security

In late September 2024, researcher Simone Margaritelli disclosed a chain of CUPS vulnerabilities — CVE-2024-47076, CVE-2024-47176 and siblings — allowing same-network attackers to register malicious printers and achieve code execution as the lp user via broadcast-trusting auto-configuration. Preceded by a hype-teaser countdown that split the community, the episode became the year's clearest study in disclosure-process dysfunction, severity theater, and the quiet ubiquity of trust-the-LAN daemons. This account covers the chain mechanics, the honest exposure math, and what to disable today.

APT29 Inside TeamViewer: 2024’s Calmest, Most Instructive Breach

Post author:Prabhu Kalyan Samal
Post published:June 28, 2024
Post category:Cloud & Infrastructure Identity & Phishing Security

On June 28, 2024, TeamViewer disclosed that a state-sponsored actor — widely reported as Russia's APT29 — had breached its corporate IT network through a standard employee's credentials, and that the remote-access product itself, and every customer, stayed untouched. This account reconstructs the hours-to-containment timeline, explains why corporate/product segmentation carried the day, places the intrusion in Cozy Bear's patient espionage season, and draws the anti-SolarWinds comparison that made this 2024's most instructive breach.