Vulnerability identifier: #VU47403
Vulnerability 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:
CWE-ID:
CWE-93
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
urllib3
Other software /
Other software solutions
Vendor: shazow (Andrey Petrov)
Description
The 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
urllib3: 1.17 - 1.25.8
External links
http://bugs.python.org/issue39603
http://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b
http://github.com/urllib3/urllib3/pull/1800
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.