CVE-2019-3465: High severity Xmlseclibs Project Xmlseclibs vulnerability

Published Nov 6, 2019
·
Updated

Critical signature bypass

Other sources

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

— GitHub

Affected Software

11 affected componentsFixes available
composer/robrichards/xmlseclibs>=1.0.0, <2.0.0, >=2.0.0, <2.1.1, >=3.0.0, <3.0.4
composer/robrichards/xmlseclibs>=1.0.0<2.1.1
2.1.1
composer/robrichards/xmlseclibs>=3.0.0<3.0.4
3.0.4
Xmlseclibs Project Xmlseclibs>=1.0.0<=1.4.2
Xmlseclibs Project Xmlseclibs>=2.0.0<=2.1.0
Xmlseclibs Project Xmlseclibs>=3.0.0<=3.0.3
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
SimpleSAMLphp SimpleSAMLphp<=1.17.6
debian/simplesamlphp
1.19.7-1+deb12u21.19.7-1+deb12u12.5.3.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade composer/robrichards/xmlseclibs to a version that resolves this vulnerability.

    Fixed in 2.1.1
  2. Upgrade

    Upgrade composer/robrichards/xmlseclibs to a version that resolves this vulnerability.

    Fixed in 3.0.4
  3. Upgrade

    Upgrade debian/simplesamlphp to a version that resolves this vulnerability.

    Fixed in 1.19.7-1+deb12u2Fixed in 1.19.7-1+deb12u1Fixed in 2.5.3.1-1
  4. Upgrade

    Upgrade Rob Richards XmlSecLibs to a version that resolves this vulnerability.

    Fixed in v3.0.3
  5. Compensating control

    If you cannot immediately upgrade, prevent authenticated attackers from reaching any functionality that would accept/act on the vulnerable XML signatures (restrict access/authorization paths handling incoming XML signature validation).

Event History

Nov 6, 2019
Advisory Published
11:44 AM
Nov 7, 2019
CVE Published
via MITRE·07:12 PM
Data Sourced
via MITRE·07:12 PM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 15, 2026
Data Sourced
via Debian·05:29 PM
DescriptionAffected Software
Data Sourced
via Launchpad·05:29 PM
Description
Sep 16, 2026
Data Sourced
via Ubuntu·05:29 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2019-3465?

CVE-2019-3465 is a vulnerability in Rob Richards XmlSecLibs that allows an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

2

What software versions are affected by CVE-2019-3465?

XmlSecLibs versions prior to v3.0.3 are affected, as well as SimpleSAMLphp versions 1.16.3-1+deb10u2, 1.16.3-1+deb10u1, 1.19.0-1, and 1.19.7-1.

3

How severe is CVE-2019-3465?

CVE-2019-3465 has a severity rating of 8.8 (high).

4

How can I fix CVE-2019-3465?

To fix CVE-2019-3465, update to XmlSecLibs version 3.0.3 and SimpleSAMLphp versions 1.16.3-1+deb10u2, 1.16.3-1+deb10u1, 1.19.0-1, or 1.19.7-1.

5

Where can I find more information about CVE-2019-3465?

You can find more information about CVE-2019-3465 at the following references: [1] [2] [3].

Company

Resources

Contact

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