CVE-2023-49087: Validation of SignedInfo

CVE-2023-49087 · Severity: low · CVSS 3.1 · Published 2023-11-28

Validation of SignedInfo

Technologies: simplesamlphp/saml2 (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2023-49087 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-49087 being exploited in the wild.
How severe is CVE-2023-49087?
Low severity, with a CVSS score of 3.1, published 28 November 2023.
Which products and versions are affected?
simplesamlphp/saml2 (Packagist) ECOSYSTEM:introduced=5.0.0-alpha.12,fixed=5.0.0-alpha.13; simplesamlphp/xml-security (Packagist) ECOSYSTEM:introduced=1.6.11,fixed=1.6.12.
Is there a fix for CVE-2023-49087?
Yes. simplesamlphp/saml2 (Packagist): upgrade to 5.0.0-alpha.13 or later; simplesamlphp/xml-security (Packagist): upgrade to 1.6.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-49087?
Check whether you run simplesamlphp/saml2 (Packagist) or simplesamlphp/xml-security (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • simplesamlphp/saml2 (Packagist): upgrade to 5.0.0-alpha.13 or later
    composer require simplesamlphp/saml2:^5.0.0-alpha.13
  • simplesamlphp/xml-security (Packagist): upgrade to 1.6.12 or later
    composer require simplesamlphp/xml-security:^1.6.12

Affected products

  • simplesamlphp/saml2 (Packagist) ECOSYSTEM:introduced=5.0.0-alpha.12,fixed=5.0.0-alpha.13
  • simplesamlphp/xml-security (Packagist) ECOSYSTEM:introduced=1.6.11,fixed=1.6.12

Identifiers

  • CVE-2023-49087
  • GHSA-ww7x-3gxh-qm6r

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