Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Jinja2 vulnerabilities
Informations
NameUSN-4011-1First vendor Publication2019-06-06
VendorUbuntuLast vendor Modification2019-06-06
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score5Attack RangeNetwork
Cvss Impact Score2.9Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Jinja2.

Software Description: - jinja2: small but fast and easy to use stand-alone template engine

Details:

Olivier Dony discovered that Jinja incorrectly handled str.format. An attacker could possibly use this issue to escape the sandbox. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-10745)

Brian Welch discovered that Jinja incorrectly handled str.format_map. An attacker could possibly use this issue to escape the sandbox. (CVE-2019-10906)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
python-jinja2 2.10-1ubuntu0.19.04.1
python3-jinja2 2.10-1ubuntu0.19.04.1

Ubuntu 18.10:
python-jinja2 2.10-1ubuntu0.18.10.1
python3-jinja2 2.10-1ubuntu0.18.10.1

Ubuntu 18.04 LTS:
python-jinja2 2.10-1ubuntu0.18.04.1
python3-jinja2 2.10-1ubuntu0.18.04.1

Ubuntu 16.04 LTS:
python-jinja2 2.8-1ubuntu0.1
python3-jinja2 2.8-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4011-1
CVE-2016-10745, CVE-2019-10906

Package Information:
https://launchpad.net/ubuntu/+source/jinja2/2.10-1ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/jinja2/2.10-1ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/jinja2/2.10-1ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/jinja2/2.8-1ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-4011-1

CWE : Common Weakness Enumeration

%idName
50 %CWE-264Permissions, Privileges, and Access Controls
50 %CWE-134Uncontrolled Format String (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application1
Os3

Alert History

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0
1
DateInformations
2019-06-06 17:21:51
  • Multiple Updates
2019-06-06 17:19:03
  • First insertion