✕

Rewterz Annual Threat Intelligence Report 2025 - Download Now

Request a Demo
Rewterz

Rewterz Threat Alert – APT34 (OilRig) – IOCs

April 28, 2021
Rewterz

Rewterz Threat Advisory – CVE-2021-1489 – Cisco Firepower Device Manager (FDM) Software denial of service

April 29, 2021

Rewterz Threat Advisory – CVE-2021-2321 – Oracle VirtualBox information disclosure

Severity

Medium

Analysis Summary

CVE-2021-2321

Oracle VirtualBox could allow a local authenticated attacker to obtain sensitive information, caused by an out-of-bounds read flaw in the implementation of the e1000 virtual network adapter. By sending a specially-crafted request, an attacker could exploit this vulnerability to read past the end of an allocated buffer, and use this information to launch further attacks against the affected system.

Impact

Information Disclosure

Affected Vendors

Oracle

Affected Products

Oracle VM VirtualBox 6.1.19

Remediation

Refer to Oracle Critical Patch Update Advisory – April 2021 for patch, upgrade or suggested workaround information.

Oracle Critical Patch Update Advisory – April 2021

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo