CVE-2021-25486: Samsung Mobile Security

A recently discovered campaign shows how attackers are constantly developing new techniques to deceive phishing victims.

Discovered during a recent incident response engagement, the malware avoids Russian computers and uses a single symmetric key for encrypting every compromised system.

The cyberattacks, linked to a Chinese-speaking APT, deliver the new MysterySnail RAT malware to Windows servers.

A possible guessing and confirming a byte memory vulnerability in Widevine trustlet prior to SMR Oct-2021 Release 1 allows attackers to read arbitrary memory address.

A vulnerability in mfc driver prior to SMR Oct-2021 Release 1 allows memory corruption via NULL-pointer dereference.

An improper error handling in Exynos CP booting driver prior to SMR Oct-2021 Release 1 allows local attackers to bypass a Secure Memory Protector of Exynos CP Memory.

An improper caller check logic of SMC call in TEEGRIS secure OS prior to SMR Oct-2021 Release 1 can be used to compromise TEE.

Cybercriminals are scanning Shodan for easy marks

An improper input validation vulnerability in DSP driver prior to SMR Sep-2021 Release 1 allows local attackers to get a limited kernel memory information.

A new analysis from F-Secure details commonly used phishing phrases and methods seen in attacks.

It was found that the "mknod" call derived from mknod(2) can create files pointing to devices on a glusterfs server node. An authenticated attacker could use this to create an arbitrary device and read data from any device attached to the glusterfs server node.