Input validation error in py3-twisted (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-12387
CWE-ID CWE-20
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) Input validation error

EUVDB-ID: #VU31043

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-12387

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

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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