CVE-2022-25236

Published: 15 February 2022

xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

Notes

Author	Note
sbeattie	paraview uses system expat xotcl uses system expat poco uses system expat gdcm uses system expat audacity uses system expat simgear uses system expat coin3 uses system expat as of 4.0.0~CMake~6f54f1602475+ds1-1 sitecopy uses system expat since 1:0.16.0-1 (dapper!)
leosilva	pull request 577 adds relax fix to this CVE in regard RFC 3986 URI characters and fix also some regressions.

Author

Note

sbeattie

paraview uses system expat
xotcl uses system expat
poco uses system expat
gdcm uses system expat
audacity uses system expat
simgear uses system expat
coin3 uses system expat as of 4.0.0~CMake~6f54f1602475+ds1-1
sitecopy uses system expat since 1:0.16.0-1 (dapper!)

leosilva

pull request 577 adds relax fix to this CVE in regard
RFC 3986 URI characters and fix also some regressions.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
apache2 Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
	trusty	Not vulnerable (code-not-compiled)
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
apr-util Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
	trusty	Not vulnerable (code-not-compiled)
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
ayttm Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
cableswig Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
cadaver Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
cmake Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
coin3 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	lunar	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage
expat Launchpad, Ubuntu, Debian	bionic	Released (2.2.5-3ubuntu0.4)
	focal	Released (2.2.9-1ubuntu0.2)
	impish	Released (2.4.1-2ubuntu0.1)
	jammy	Released (2.4.5-2)
	kinetic	Released (2.4.5-2)
	lunar	Released (2.4.5-2)
	mantic	Released (2.4.5-2)
	trusty	Released (2.1.0-4ubuntu1.4+esm4) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Needs triage
	xenial	Released (2.1.0-7ubuntu0.16.04.5+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
firefox Launchpad, Ubuntu, Debian	bionic	Ignored (end of standard support, was needed)
	focal	Ignored (bundled deps handled by upstream in new versions)
	impish	Ignored (end of life)
	jammy	Released (1:1snap1-0ubuntu1)
	kinetic	Released (1:1snap1-0ubuntu1)
	lunar	Released (1:1snap1-0ubuntu1)
	mantic	Released (1:1snap1-0ubuntu1)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Ignored (end of standard support, was needed)
gdcm Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	lunar	Not vulnerable (uses system expat)
	mantic	Not vulnerable (uses system expat)
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	xenial	Not vulnerable (uses system expat)
ghostscript Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
insighttoolkit Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
insighttoolkit4 Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	impish	Ignored (end of life)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	lunar	Not vulnerable (uses system expat)
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
libxmltok Launchpad, Ubuntu, Debian	bionic	Released (1.2-4ubuntu0.18.04.1~esm1) Available with Ubuntu Pro
	focal	Released (1.2-4ubuntu0.20.04.1~esm1) Available with Ubuntu Pro
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Released (1.2-4ubuntu0.22.04.1~esm1) Available with Ubuntu Pro
	kinetic	Ignored (end of life, was needed)
	lunar	Ignored (end of life, was needed)
	mantic	Needed
	trusty	Ignored (end of standard support)
	upstream	Needs triage
	xenial	Released (1.2-3ubuntu0.16.04.1~esm2) Available with Ubuntu Pro
matanza Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
smart Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
swish-e Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
tdom Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
texlive-bin Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code-not-compiled)
	focal	Not vulnerable (code-not-compiled)
	impish	Not vulnerable (code-not-compiled)
	jammy	Not vulnerable (code-not-compiled)
	kinetic	Not vulnerable (code-not-compiled)
	lunar	Not vulnerable (code-not-compiled)
	mantic	Not vulnerable (code-not-compiled)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code-not-compiled)
thunderbird Launchpad, Ubuntu, Debian	bionic	Ignored (end of standard support, was needed)
	focal	Ignored (bundled deps handled by upstream in new versions)
	impish	Ignored (end of life)
	jammy	Ignored (bundled deps handled by upstream in new versions)
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was ignored [bundled deps handled by upstream in new versions])
	mantic	Ignored (bundled deps handled by upstream in new versions)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Ignored (end of standard support, was needed)
vnc4 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage
vtk Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Needs triage
	upstream	Needs triage
	xenial	Needs triage
wbxml2 Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist
	upstream	Needs triage
	xenial	Needs triage
xmlrpc-c Launchpad, Ubuntu, Debian	bionic	Needed
	focal	Needed
	impish	Ignored (end of life)
	jammy	Needed
	kinetic	Ignored (end of life, was needed)
	lunar	Ignored (end of life, was needed)
	mantic	Needed
	trusty	Needed
	upstream	Needs triage
	xenial	Needed

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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