Les vulnérabilités critiques à suivre (4 mars 2024)

CISA warns of Microsoft Streaming bug exploited in malware attacks

CISA ordered U.S. Federal Civilian Executive Branch (FCEB) agencies to secure their Windows systems against a high-severity vulnerability in the Microsoft Streaming Service (MSKSSRV.SYS) that’s actively exploited in attacks.

Hackers exploit 14-year-old CMS editor on govt, edu sites for SEO poisoning

Threat actors are exploiting a CMS editor discontinued 14 years ago to compromise education and government entities worldwide to poison search results with malicious sites or scams.

Lazarus hackers exploited Windows zero-day to gain Kernel privileges

North Korean threat actors known as the Lazarus Group exploited a flaw in the Windows AppLocker driver (appid.sys) as a zero-day to gain kernel-level access and turn off security tools, allowing them to bypass noisy BYOVD (Bring Your Own Vulnerable Driver) techniques.

CISA cautions against using hacked Ivanti VPN gateways even after factory resets

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) revealed today that attackers who hack Ivanti VPN appliances using one of multiple actively exploited vulnerabilities may be able to maintain root persistence even after performing factory resets.