Ubuntu update for python3.5



Published: 2022-09-22
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-28861
CWE-ID CWE-601
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Ubuntu
Operating systems & Components / Operating system

libpython3.5 (Ubuntu package)
Operating systems & Components / Operating system package or component

python3.5-minimal (Ubuntu package)
Operating systems & Components / Operating system package or component

python3.5 (Ubuntu package)
Operating systems & Components / Operating system package or component

libpython3.5-minimal (Ubuntu package)
Operating systems & Components / Operating system package or component

libpython3.5-stdlib (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Open redirect

EUVDB-ID: #VU67591

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-28861

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data in lib/http/server.py due to missing protection against multiple (/) at the beginning of URI path. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Update the affected package python3.5 to the latest version.

Vulnerable software versions

Ubuntu: 16.04

libpython3.5 (Ubuntu package): before 3.5.22ubuntu0~16.04.13+esm5

python3.5-minimal (Ubuntu package): before 3.5.22ubuntu0~16.04.13+esm5

python3.5 (Ubuntu package): before 3.5.22ubuntu0~16.04.13+esm5

libpython3.5-minimal (Ubuntu package): before 3.5.22ubuntu0~16.04.13+esm5

libpython3.5-stdlib (Ubuntu package): before 3.5.22ubuntu0~16.04.13+esm5


CPE2.3 External links

http://ubuntu.com/security/notices/USN-5629-1

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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