drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in Jinja
Name: |
Denial of Service in Jinja |
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ID: |
202107-19 |
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Distribution: |
Gentoo |
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Plattformen: |
Keine Angabe |
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Datum: |
Do, 8. Juli 2021, 22:45 |
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Referenzen: |
https://nvd.nist.gov/vuln/detail/CVE-2020-28493 |
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Applikationen: |
Jinja2 |
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Originalnachricht |
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202107-19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Low Title: Jinja: Denial of service Date: July 08, 2021 Bugs: #768300 ID: 202107-19
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Synopsis ========
An inefficient regular expression could be exploited to cause a Denial of Service condition.
Background ==========
Jinja is a template engine written in pure Python.
Affected packages =================
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-python/jinja < 2.11.3 >= 2.11.3
Description ===========
The 'urlize' filter in Jinja utilized an inefficient regular expression that could be exploited to consume excess CPU.
Impact ======
An attacker could cause a Denial of Service condition via crafted input to the 'urlize' Jinja filter.
Workaround ==========
There is no known workaround at this time.
Resolution ==========
All Jinja users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-python/jinja-2.11.3"
References ==========
[ 1 ] CVE-2020-28493 https://nvd.nist.gov/vuln/detail/CVE-2020-28493
Availability ============
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202107-19
Concerns? =========
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License =======
Copyright 2021 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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