Ubuntu update for python-bottle



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-28473
CWE-ID CWE-444
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

python3-bottle (Ubuntu package)
Operating systems & Components / Operating system package or component

python-bottle (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU77305

Risk: High

CVSSv4.0: 2.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-28473

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 the usage of a vector called parameter cloaking. A remote attacker can trick the victim into opening a specially crafted HTTP request, smuggle arbitrary HTTP headers and cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server.

Mitigation

Update the affected package python-bottle to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 20.04

python3-bottle (Ubuntu package): before 0.12.13-1ubuntu0.1

python-bottle (Ubuntu package): before 0.12.13-1ubuntu0.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5105-1


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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