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Test ID:1.3.6.1.4.1.25623.1.1.2.2021.2162
Category:Huawei EulerOS Local Security Checks
Title:Huawei EulerOS: Security Advisory for python-lxml (EulerOS-SA-2021-2162)
Summary:The remote host is missing an update for the Huawei EulerOS 'python-lxml' package(s) announced via the EulerOS-SA-2021-2162 advisory.
Description:Summary:
The remote host is missing an update for the Huawei EulerOS 'python-lxml' package(s) announced via the EulerOS-SA-2021-2162 advisory.

Vulnerability Insight:
Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme to the clean_html function.(CVE-2014-3146)

An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by 'j a v a s c r i p t:' in Internet Explorer. This is a similar issue to CVE-2014-3146.(CVE-2018-19787)

A XSS vulnerability was discovered in python-lxml's clean module. The module's parser didn't properly imitate browsers, which caused different behaviors between the sanitizer and the user's page. A remote attacker could exploit this flaw to run arbitrary HTML/JS code.(CVE-2020-27783)

Affected Software/OS:
'python-lxml' package(s) on Huawei EulerOS Virtualization 3.0.2.2.

Solution:
Please install the updated package(s).

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2014-3146
BugTraq ID: 67159
http://www.securityfocus.com/bid/67159
Debian Security Information: DSA-2941 (Google Search)
http://www.debian.org/security/2014/dsa-2941
http://seclists.org/fulldisclosure/2014/Apr/210
http://seclists.org/fulldisclosure/2014/Apr/319
http://www.mandriva.com/security/advisories?name=MDVSA-2015:112
https://mailman-mail5.webfaction.com/pipermail/lxml/2014-April/007128.html
http://www.openwall.com/lists/oss-security/2014/05/09/7
http://secunia.com/advisories/58013
http://secunia.com/advisories/58744
http://secunia.com/advisories/59008
SuSE Security Announcement: openSUSE-SU-2014:0735 (Google Search)
http://lists.opensuse.org/opensuse-updates/2014-05/msg00083.html
http://www.ubuntu.com/usn/USN-2217-1
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