CVE-2019-8126: Information disclosure through processing of external XML entities

Q: What is the severity of CVE-2019-8126?

CVE-2019-8126 has been assigned a significant severity level due to its ability to allow XML entity injection by authenticated admin users.

Q: How do I fix CVE-2019-8126?

To fix CVE-2019-8126, update Magento to version 2.2.10 or 2.3.3 or later.

Q: Who is affected by CVE-2019-8126?

CVE-2019-8126 affects Magento versions 2.2 prior to 2.2.10 and 2.3 prior to 2.3.3 or 2.3.2-p1.

Q: What type of vulnerability is CVE-2019-8126?

CVE-2019-8126 is an XML entity injection vulnerability that potentially allows attackers to manipulate the XML layout.

Q: Can I still use Magento versions affected by CVE-2019-8126?

Using affected versions of Magento without applying the security updates leaves your system vulnerable to exploitation.

Published Oct 8, 2019

Updated

An XML entity injection vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated admin user can craft document type definition for an XML representing XML layout. The crafted document type definition and XML layout allow processing of external entities which can lead to information disclosure.

Other sources

Information disclosure through processing of external XML entities

— Packagist

Affected Software

13 affected componentsFixes available

composer/magento/product-community-edition>=2.2, <2.2.10, >=2.3, <2.3.2-p2

composer/magento/community-edition>=2.3<2.3.2-p2

2.3.2-p2

composer/magento/community-edition>=2.2<2.2.10

2.2.10

Magento Magento>=2.2.0<2.2.10

Magento Magento>=2.3.0<2.3.2

Magento Magento=2.3.2

composer/magento/community-edition>=2.3, <2.3.2-p2

2.3.2-p2

composer/magento/community-edition>=2.2, <2.2.10

2.2.10

composer/magento/product-community-edition>=2.2, <2.2.10

2.2.10

composer/magento/product-community-edition>=2.3, <2.3.2-p2

2.3.2-p2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade composer/magento/community-edition to a version that resolves this vulnerability.
Fixed in 2.3.2-p2
Upgrade
Upgrade composer/magento/community-edition to a version that resolves this vulnerability.
Fixed in 2.2.10
Upgrade
Upgrade composer/magento/product-community-edition to a version that resolves this vulnerability.
Fixed in 2.2.10
Upgrade
Upgrade composer/magento/product-community-edition to a version that resolves this vulnerability.
Fixed in 2.3.2-p2
Upgrade
Upgrade Magento 2.2 to a version that resolves this vulnerability.
Fixed in 2.2.10
Upgrade
Upgrade Magento 2.3 to a version that resolves this vulnerability.
Fixed in 2.3.3
Upgrade
Upgrade Magento 2.3 to a version that resolves this vulnerability.
Fixed in 2.3.2-p1
Upgrade
Upgrade Magento 2.3 to a version that resolves this vulnerability.
Fixed in 2.3.2-p2Patch 2.3.2-p2

Event History

Oct 8, 2019

Advisory Published

12:00 AM

Data Sourced

via Packagist·12:00 AM

DescriptionSeverityAffected Software

Nov 5, 2019

CVE Published

via MITRE·10:55 PM

Data Sourced

via MITRE·10:55 PM

DescriptionWeakness

Data Sourced

via NVD·11:15 PM

RemedyDescriptionSeverityWeaknessAffected Software

Nov 12, 2019

Advisory Published

via GitHub·10:59 PM

Data Sourced

via GitHub·10:59 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2019-8126?

CVE-2019-8126 has been assigned a significant severity level due to its ability to allow XML entity injection by authenticated admin users.

How do I fix CVE-2019-8126?

To fix CVE-2019-8126, update Magento to version 2.2.10 or 2.3.3 or later.

Who is affected by CVE-2019-8126?

CVE-2019-8126 affects Magento versions 2.2 prior to 2.2.10 and 2.3 prior to 2.3.3 or 2.3.2-p1.

What type of vulnerability is CVE-2019-8126?

CVE-2019-8126 is an XML entity injection vulnerability that potentially allows attackers to manipulate the XML layout.

Can I still use Magento versions affected by CVE-2019-8126?

Using affected versions of Magento without applying the security updates leaves your system vulnerable to exploitation.

CVE-2019-8126: Information disclosure through processing of external XML entities

Other sources

Affected Software

Remediation

Event History

Frequently Asked Questions

What is the severity of CVE-2019-8126?

How do I fix CVE-2019-8126?

Who is affected by CVE-2019-8126?

What type of vulnerability is CVE-2019-8126?

Can I still use Magento versions affected by CVE-2019-8126?

Company

Resources

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