Infinite loop in elfutils - CVE-2021-33294
Published: August 31, 2023
Vulnerability identifier: #VU80176
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-33294
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Sourceware
Affected software:
elfutils
elfutils
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the handle_symtab() function in readelf.c. A remote attacker can consume all available system resources and trigger denial of service condition.
How to mitigate CVE-2021-33294
Install update from vendor's website.