USN-5199-1

See a problem?

Source

https://ubuntu.com/security/notices/USN-5199-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5199-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-5199-1

Related

Published

2021-12-17T14:53:00.335664Z

Modified

2021-12-17T14:53:00.335664Z

Summary

python3.6 vulnerabilities

Details

It was discovered that the urllib.request.AbstractBasicAuthHandler class in Python contains regex with a quadratic worst-case time complexity. Specially crafted traffic from a malicious HTTP server could cause a regular expression denial of service (ReDoS) condition for a client. (CVE-2021-3733)

It was discovered that the Python urllib http client could enter into an infinite loop when incorrectly handling certain server responses (100 Continue response). Specially crafted traffic from a malicious HTTP server could cause a denial of service (DoS) condition for a client. (CVE-2021-3737)

References

Affected packages

Ubuntu:18.04:LTS / python3.6

Package

Name: python3.6
Purl: pkg:deb/ubuntu/python3.6@3.6.9-1~18.04ubuntu1.6?arch=src?distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.6.9-1~18.04ubuntu1.6

Affected versions

3.*

3.6.3-1ubuntu1

3.6.4~rc1-1

3.6.4~rc1-2

3.6.4-1

3.6.4-2

3.6.4-3build1

3.6.4-4

3.6.5~rc1-1

3.6.5-3

3.6.6-1~18.04

3.6.7-1~18.04

3.6.8-1~18.04.1

3.6.8-1~18.04.2

3.6.8-1~18.04.3

3.6.9-1~18.04

3.6.9-1~18.04ubuntu1

3.6.9-1~18.04ubuntu1.1

3.6.9-1~18.04ubuntu1.3

3.6.9-1~18.04ubuntu1.4

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "python3.6-examples": "3.6.9-1~18.04ubuntu1.6",
            "libpython3.6": "3.6.9-1~18.04ubuntu1.6",
            "libpython3.6-dbg": "3.6.9-1~18.04ubuntu1.6",
            "libpython3.6-stdlib": "3.6.9-1~18.04ubuntu1.6",
            "python3.6-venv": "3.6.9-1~18.04ubuntu1.6",
            "libpython3.6-minimal": "3.6.9-1~18.04ubuntu1.6",
            "python3.6-minimal": "3.6.9-1~18.04ubuntu1.6",
            "idle-python3.6": "3.6.9-1~18.04ubuntu1.6",
            "python3.6-dbg": "3.6.9-1~18.04ubuntu1.6",
            "python3.6": "3.6.9-1~18.04ubuntu1.6",
            "python3.6-dev": "3.6.9-1~18.04ubuntu1.6",
            "libpython3.6-dev": "3.6.9-1~18.04ubuntu1.6",
            "python3.6-doc": "3.6.9-1~18.04ubuntu1.6",
            "libpython3.6-testsuite": "3.6.9-1~18.04ubuntu1.6"
        }
    ]
}