CVE-2023-4911
CVSS 3.1 Score 7.8 of 10 (high)
Details
Summary
CVE-2023-4911 is a buffer overflow vulnerability affecting the GNU C Library's dynamic loader, ld.so. This issue arises when processing the GLIBC_TUNABLES environment variable. A local attacker can exploit this vulnerability by providing maliciously crafted GLIBC_TUNABLES variables when launching binaries with SUID permission. Successful exploitation could lead to the execution of arbitrary code with elevated privileges. The vulnerability poses a significant risk, particularly in environments where SUID binaries are frequently used. It is recommended that affected systems be updated as soon as possible to mitigate the risk.
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Affected Products
- Red Hat Enterprise Linux
- Fedora Operating System
- Red Hat Virtualization
Affected Vendors
- Red Hat
- Fedora Project
Advisories, Assessments, and Mitigations
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