NULL pointer dereference in Glibc - CVE-2021-38604

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Main Vulnerability Database Vulnerabilities #VU55916

NULL pointer dereference in Glibc - CVE-2021-38604

Published: August 17, 2021


Vulnerability identifier: #VU55916
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-38604
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Glibc
Software vendor:
GNU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the "sysdeps/unix/sysv/linux/mq_notify.c" file within NOTIFY_REMOVED data. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links