#VU81045 Security features bypass in Gnu Compiler Collection - CVE-2023-4039
Published: September 21, 2023
Vulnerability identifier: #VU81045
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-4039
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Gnu Compiler Collection
Gnu Compiler Collection
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the GCC's stack smashing protection does not detect or defend against overflows of dynamically-sized local variables on AArch64 targets. A remote attacker can bypass expected security restrictions and successfully exploit buffer overflow vulnerabilities.
Remediation
Install updates from vendor's website.