[USN-4011-2] Jinja2 vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Thu Jun 6 14:27:24 UTC 2019
==========================================================================
Ubuntu Security Notice USN-4011-2
June 06, 2019
jinja2 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in Jinja2.
Software Description:
- jinja2: small but fast and easy to use stand-alone template engine
Details:
USN-4011-1 fixed several vulnerabilities in Jinja2. This update
provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu
14.04 ESM.
Original advisory details:
Olivier Dony discovered that Jinja incorrectly handled str.format. An
attacker could possibly use this issue to escape the sandbox.
(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 14.04 ESM:
python-jinja2 2.7.2-2ubuntu0.1~esm1
python3-jinja2 2.7.2-2ubuntu0.1~esm1
Ubuntu 12.04 ESM:
python-jinja2 2.6-1ubuntu0.2
python3-jinja2 2.6-1ubuntu0.2
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/4011-2
https://usn.ubuntu.com/4011-1
CVE-2016-10745, CVE-2019-10906
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: This is a digitally signed message part
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20190606/0b339f15/attachment.sig>
More information about the ubuntu-security-announce
mailing list