Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-26137 |
CWE-ID | CWE-93 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
python-urllib3 (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux for ARM 64 Operating systems & Components / Operating system Red Hat Enterprise Linux for Power, little endian Operating systems & Components / Operating system Red Hat Enterprise Linux for IBM z Systems Operating systems & Components / Operating system Red Hat Enterprise Linux for x86_64 Operating systems & Components / Operating system |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU47403
Risk: Medium
CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-26137
CWE-ID:
CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to inject arbitrary data in server response.
The vulnerability exists due to insufficient validation of attacker-supplied data passed via the "method" parameter. A remote authenticated attacker can pass specially crafted data to the application containing CR-LF characters and modify application behavior.
MitigationInstall updates from vendor's website.
python-urllib3 (Red Hat package): 1.24.2-2.el8
Red Hat Enterprise Linux for ARM 64: 8
Red Hat Enterprise Linux for Power, little endian: 8
Red Hat Enterprise Linux for IBM z Systems: 8
Red Hat Enterprise Linux for x86_64: 8.0
External linkshttp://access.redhat.com/errata/RHSA-2021:1631
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.