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CVE-2018-1000802

Publication date 18 September 2018

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Python Software Foundation Python (CPython) version 2.7 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in shutil module (make_archive function) that can result in Denial of service, Information gain via injection of arbitrary files on the system or entire drive. This attack appear to be exploitable via Passage of unfiltered user input to the function. This vulnerability appears to have been fixed in after commit add531a1e55b0a739b0f42582f1c9747e5649ace.

Read the notes from the security team

Status

Package Ubuntu Release Status
python2.7 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 2.7.15~rc1-1ubuntu0.1
16.04 LTS xenial
Fixed 2.7.12-1ubuntu0~16.04.4
14.04 LTS trusty
Fixed 2.7.6-8ubuntu0.5
python3.4 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 3.4.3-1ubuntu1~14.04.7
python3.5 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
python3.6 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
python3.7 18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes


mdeslaur

later versions of python removed _call_external_zip completely

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
python2.7

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3817-1
    • Python vulnerabilities
    • 13 November 2018
    • USN-3817-2
    • Python vulnerabilities
    • 15 November 2018

Other references