Vulnerabilitymedium
"Looney Tunables" bug allows root access on Linux distros (CVE-2023-4911)
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2023-4911 | Buffer Overflow in GNU C Library ld.so Grants Root via SUID Binaries | 7.8 | 64% | KEVPoC ×6 | KEV |
From the original article
2 min read at helpnetsecurity.com
A vulnerability (CVE-2023-4911) in the GNU C Library (aka “glibc”) can be exploited by attackers to gain root privileges on many popular Linux distributions, according to Qualys researchers. Dubbed “Looney Tunables”, CVE-2023-4911 is a buffer overflow vulnerability in the dynamic loader’s processing of the GLIBC_TUNABLES environment variable. To exploit it, attackers first need to establish access to the system.
By @zeljkazorz · helpnetsecurity.com
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