Ubuntu update for python-werkzeug



| Updated: 2025-04-23
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2019-14806
CVE-2020-28724
CWE-ID CWE-331
CWE-601
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

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

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

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Insufficient Entropy

EUVDB-ID: #VU30827

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-14806

CWE-ID: CWE-331 - Insufficient Entropy

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.

Mitigation

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

Vulnerable software versions

Ubuntu: 16.04 - 18.04

python3-werkzeug (Ubuntu package): before 0.10.4+dfsg1-1ubuntu1.2

python-werkzeug (Ubuntu package): before 0.10.4+dfsg1-1ubuntu1.2

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4655-1


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.

2) Open redirect

EUVDB-ID: #VU48651

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-2020-28724

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 within the double slash in the URL. 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 python-werkzeug to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 18.04

python3-werkzeug (Ubuntu package): before 0.10.4+dfsg1-1ubuntu1.2

python-werkzeug (Ubuntu package): before 0.10.4+dfsg1-1ubuntu1.2

CPE2.3 External links

https://ubuntu.com/security/notices/USN-4655-1


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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