USN-4127-2

Source
https://ubuntu.com/security/notices/USN-4127-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-4127-2.json
Related
Published
2019-09-10T13:08:17.663523Z
Modified
2019-09-10T13:08:17.663523Z
Details

USN-4127-1 fixed several vulnerabilities in Python. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Python incorrectly handled certain pickle files. An attacker could possibly use this issue to consume memory, leading to a denial of service. This issue only affected Ubuntu 14.04 ESM. (CVE-2018-20406)

It was discovered that Python incorrectly validated the domain when handling cookies. An attacker could possibly trick Python into sending cookies to the wrong domain. (CVE-2018-20852)

Jonathan Birch and Panayiotis Panayiotou discovered that Python incorrectly handled Unicode encoding during NFKC normalization. An attacker could possibly use this issue to obtain sensitive information. (CVE-2019-9636, CVE-2019-10160)

Colin Read and Nicolas Edet discovered that Python incorrectly handled parsing certain X509 certificates. An attacker could possibly use this issue to cause Python to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 ESM. (CVE-2019-5010)

It was discovered that Python incorrectly handled certain urls. A remote attacker could possibly use this issue to perform CRLF injection attacks. (CVE-2019-9740, CVE-2019-9947)

Sihoon Lee discovered that Python incorrectly handled the local_file: scheme. A remote attacker could possibly use this issue to bypass blocklist meschanisms. (CVE-2019-9948)

References

Affected packages

Ubuntu:Pro:14.04:LTS / python2.7

Package

Name
python2.7

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0The exact introduced commit is unknown
Fixed
2.7.6-8ubuntu0.6+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "python2.7": "2.7.6-8ubuntu0.6+esm2",
            "libpython2.7": "2.7.6-8ubuntu0.6+esm2",
            "libpython2.7-stdlib": "2.7.6-8ubuntu0.6+esm2",
            "python2.7-dev": "2.7.6-8ubuntu0.6+esm2",
            "python2.7-examples": "2.7.6-8ubuntu0.6+esm2",
            "python2.7-doc": "2.7.6-8ubuntu0.6+esm2",
            "idle-python2.7": "2.7.6-8ubuntu0.6+esm2",
            "libpython2.7-testsuite": "2.7.6-8ubuntu0.6+esm2",
            "python2.7-minimal": "2.7.6-8ubuntu0.6+esm2",
            "libpython2.7-dev": "2.7.6-8ubuntu0.6+esm2",
            "libpython2.7-minimal": "2.7.6-8ubuntu0.6+esm2"
        }
    ]
}