drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in python-jinja2
Name: |
Denial of Service in python-jinja2 |
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ID: |
RHSA-2021:4161-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 10. November 2021, 06:30 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2020-28493 |
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Applikationen: |
Jinja2 |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: python-jinja2 security update Advisory ID: RHSA-2021:4161-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4161 Issue date: 2021-11-09 CVE Names: CVE-2020-28493 =====================================================================
1. Summary:
An update for python-jinja2 is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 8) - noarch
3. Description:
The python-jinja2 package contains Jinja2, a template engine written in pure Python. Jinja2 provides a Django inspired non-XML syntax but supports inline expressions and an optional sandboxed environment.
Security Fix(es):
* python-jinja2: ReDoS vulnerability due to the sub-pattern (CVE-2020-28493)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
For the update to take effect, all applications using Jinja2 must be restarted.
5. Bugs fixed (https://bugzilla.redhat.com/):
1928707 - CVE-2020-28493 python-jinja2: ReDoS vulnerability in the urlize filter
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source: python-jinja2-2.10.1-3.el8.src.rpm
noarch: python3-jinja2-2.10.1-3.el8.noarch.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2020-28493 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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