CVE-2018-6519: SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability

CVE-2018-6519 · Severity: low · CVSS 3 · Published 2022-05-14

SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability

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

Quick answers

Is CVE-2018-6519 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-6519 being exploited in the wild.
How severe is CVE-2018-6519?
Low severity, with a CVSS score of 3, published 14 May 2022.
Which products and versions are affected?
simplesamlphp/saml2 (Packagist) ECOSYSTEM:introduced=0,fixed=1.10.4.
Is there a fix for CVE-2018-6519?
Yes. simplesamlphp/saml2 (Packagist): upgrade to 1.10.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-6519?
Check whether you run simplesamlphp/saml2 (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 1.10.4 or later
    composer require simplesamlphp/saml2:^1.10.4

Affected products

  • simplesamlphp/saml2 (Packagist) ECOSYSTEM:introduced=0,fixed=1.10.4

Identifiers

  • CVE-2018-6519
  • GHSA-hhm8-2j4g-mpgg

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