[SECURITY] [DSA 4810-1] lxml security update

2020-12-1318:19:20

lists.debian.org

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

72.6%

JSON

Debian Security Advisory DSA-4810-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
December 13, 2020 https://www.debian.org/security/faq

Package : lxml
CVE ID : CVE-2020-27783

Yaniv Nizry discovered that the clean module of lxml, Python bindings for
libxml2 and libxslt could be bypassed.

For the stable distribution (buster), this problem has been fixed in
version 4.3.2-1+deb10u1.

We recommend that you upgrade your lxml packages.

For the detailed security status of lxml please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/lxml

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

OSVersionArchitecturePackageVersionFilename
Debian9armhfpython-lxml< 3.7.1-1+deb9u1python-lxml_3.7.1-1+deb9u1_armhf.deb
Debian10mips64elpython-lxml-dbg< 4.3.2-1+deb10u1python-lxml-dbg_4.3.2-1+deb10u1_mips64el.deb
Debian9amd64python-lxml-dbg< 3.7.1-1+deb9u1python-lxml-dbg_3.7.1-1+deb9u1_amd64.deb
Debian10i386python-lxml-dbg< 4.3.2-1+deb10u1python-lxml-dbg_4.3.2-1+deb10u1_i386.deb
Debian10amd64python-lxml-dbg< 4.3.2-1+deb10u1python-lxml-dbg_4.3.2-1+deb10u1_amd64.deb
Debian10mipselpython-lxml-dbg< 4.3.2-1+deb10u1python-lxml-dbg_4.3.2-1+deb10u1_mipsel.deb
Debian10armelpython-lxml-dbg< 4.3.2-1+deb10u1python-lxml-dbg_4.3.2-1+deb10u1_armel.deb
Debian10armelpython3-lxml< 4.3.2-1+deb10u1python3-lxml_4.3.2-1+deb10u1_armel.deb
Debian9armhfpython-lxml-dbg< 3.7.1-1+deb9u1python-lxml-dbg_3.7.1-1+deb9u1_armhf.deb
Debian10s390xpython3-lxml-dbg< 4.3.2-1+deb10u1python3-lxml-dbg_4.3.2-1+deb10u1_s390x.deb

OS	Version	Architecture	Package	Version	Filename
Debian	9	armhf	python-lxml	< 3.7.1-1+deb9u1	python-lxml_3.7.1-1+deb9u1_armhf.deb
Debian	10	mips64el	python-lxml-dbg	< 4.3.2-1+deb10u1	python-lxml-dbg_4.3.2-1+deb10u1_mips64el.deb
Debian	9	amd64	python-lxml-dbg	< 3.7.1-1+deb9u1	python-lxml-dbg_3.7.1-1+deb9u1_amd64.deb
Debian	10	i386	python-lxml-dbg	< 4.3.2-1+deb10u1	python-lxml-dbg_4.3.2-1+deb10u1_i386.deb
Debian	10	amd64	python-lxml-dbg	< 4.3.2-1+deb10u1	python-lxml-dbg_4.3.2-1+deb10u1_amd64.deb
Debian	10	mipsel	python-lxml-dbg	< 4.3.2-1+deb10u1	python-lxml-dbg_4.3.2-1+deb10u1_mipsel.deb
Debian	10	armel	python-lxml-dbg	< 4.3.2-1+deb10u1	python-lxml-dbg_4.3.2-1+deb10u1_armel.deb
Debian	10	armel	python3-lxml	< 4.3.2-1+deb10u1	python3-lxml_4.3.2-1+deb10u1_armel.deb
Debian	9	armhf	python-lxml-dbg	< 3.7.1-1+deb9u1	python-lxml-dbg_3.7.1-1+deb9u1_armhf.deb
Debian	10	s390x	python3-lxml-dbg	< 4.3.2-1+deb10u1	python3-lxml-dbg_4.3.2-1+deb10u1_s390x.deb