Vulnerabilitymedium
Heap-based buffer overflow in Linux Sudo allows local users to gain root privileges
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2019-14287 | In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause… | 8.8 | 64% | PoC ×2 | |
| CVE-2019-18634 | In Sudo before 1.8.26, if pwfeedback is enabled in /etc/sudoers, users can trigger a stack-based buffer overflow in the privileged sudo process | 7.8 | 19% | PoC ×2 | |
| CVE-2021-3156 | Heap-Based Buffer Overflow in Sudo Enables Local Privilege Escalation (CVE-2021-3156) | 7.8 | 100% | KEVPoC ×12 | KEV |
From the original article
3 min read at securityaffairs.com
CVE-2021-3156 Sudo vulnerability has allowed any local user to gain root privileges on Unix-like operating systems without authentication. Sudo is one of the most important, powerful, and commonly used utilities that comes as a core command pre-installed on macOS and almost every UNIX or Linux-based operating system.
By @securityaffairs · securityaffairs.com
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