Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-33503 |
CWE-ID | CWE-400 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Ansible Automation Platform Server applications / Other server solutions python-galaxy-ng (Red Hat package) Operating systems & Components / Operating system package or component automation-hub (Red Hat package) Operating systems & Components / Operating system package or component python-urllib3 (Red Hat package) Operating systems & Components / Operating system package or component python-requests (Red Hat package) Operating systems & Components / Operating system package or component python3-click (Red Hat package) Operating systems & Components / Operating system package or component |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU54077
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-33503
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation in urllib3 when processing URL with multiple "@" characters in the authority component. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Ansible Automation Platform: 1.2.0 - 1.2.4
python-galaxy-ng (Red Hat package): 4.2.2-1.el7pc
automation-hub (Red Hat package): 4.2.2-1.el7pc
python-urllib3 (Red Hat package): 1.25.11-1.el7pc
python-requests (Red Hat package): 2.24.0-1.el7pc
python3-click (Red Hat package): before 7.1.2-3.el7pc
External linkshttp://access.redhat.com/errata/RHSA-2021:3473
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.