drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Cross-Site Scripting in lxml
Name: |
Cross-Site Scripting in lxml |
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ID: |
USN-4896-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10 |
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Datum: |
Di, 30. März 2021, 23:00 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28957 |
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Applikationen: |
lxml |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============8094790419114551840== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="o7uqxbHy2bMDuMSMDljpxK1hypxQpwIjB"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --o7uqxbHy2bMDuMSMDljpxK1hypxQpwIjB Content-Type: multipart/mixed; boundary="21QBBDM4rj3A9qC61KWlfOyzIo55tjqNT"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <d52d73c6-e13a-144a-925f-7c538a7e15b9@canonical.com> Subject: [USN-4896-1] lxml vulnerability
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========================================================================== Ubuntu Security Notice USN-4896-1 March 30, 2021
lxml vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
lxml could allow cross-site scripting (XSS) attacks.
Software Description: - lxml: pythonic binding for the libxml2 and libxslt libraries
Details:
It was discovered that lxml incorrectly handled certain HTML attributes. A remote attacker could possibly use this issue to perform cross-site scripting (XSS) attacks.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.10: python3-lxml 4.5.2-1ubuntu0.4
Ubuntu 20.04 LTS: python-lxml 4.5.0-1ubuntu0.3 python3-lxml 4.5.0-1ubuntu0.3
Ubuntu 18.04 LTS: python-lxml 4.2.1-1ubuntu0.4 python3-lxml 4.2.1-1ubuntu0.4
Ubuntu 16.04 LTS: python-lxml 3.5.0-1ubuntu0.4 python3-lxml 3.5.0-1ubuntu0.4
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4896-1 CVE-2021-28957
Package Information: https://launchpad.net/ubuntu/+source/lxml/4.5.2-1ubuntu0.4 https://launchpad.net/ubuntu/+source/lxml/4.5.0-1ubuntu0.3 https://launchpad.net/ubuntu/+source/lxml/4.2.1-1ubuntu0.4 https://launchpad.net/ubuntu/+source/lxml/3.5.0-1ubuntu0.4
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