Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-33294 |
CWE-ID | CWE-835 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
openEuler Operating systems & Components / Operating system elfutils-debugsource Operating systems & Components / Operating system package or component elfutils-extra Operating systems & Components / Operating system package or component elfutils-help Operating systems & Components / Operating system package or component elfutils-debuginfod Operating systems & Components / Operating system package or component elfutils-debuginfo Operating systems & Components / Operating system package or component elfutils-debuginfod-client-devel Operating systems & Components / Operating system package or component elfutils-debuginfod-client Operating systems & Components / Operating system package or component elfutils-devel Operating systems & Components / Operating system package or component elfutils Operating systems & Components / Operating system package or component |
Vendor | openEuler |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU80176
Risk: Low
CVSSv4.0: 0.5 [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 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP1
elfutils-debugsource: before 0.180-14
elfutils-extra: before 0.180-14
elfutils-help: before 0.180-14
elfutils-debuginfod: before 0.180-14
elfutils-debuginfo: before 0.180-14
elfutils-debuginfod-client-devel: before 0.180-14
elfutils-debuginfod-client: before 0.180-14
elfutils-devel: before 0.180-14
elfutils: before 0.180-14
CPE2.3https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1444
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.