Inconsistent interpretation of HTTP requests in py3-twisted (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-10108
CWE-ID CWE-444
Exploitation vector Network
Public exploit N/A
Vulnerable software
 py3-twisted (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU26355

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-10108

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to an error when processing two Content-length headers, sent within one HTTP request that caused the request body to be interpreted as a pipelined request. A remote attacker can send a specially crafted HTTP request to the affected web server and posing HTTP cache or perform other attacks against web application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

py3-twisted (Alpine package): 19.10.0-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=66b8ef9e1229d1630c160b9d6f89f315ad87acf9
https://git.alpinelinux.org/aports/commit/?id=e59ae1cbadc31c59b3c6e298b697e299c6b59619


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.



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