Regular Expression Denial of Service in SimpleSAMLphp by Lasso Inc.
CVE-2018-6519

7.5HIGH

Key Information:

Vendor

SimplesamlPHP

Status
Saml2
Vendor
CVE Published:
2 February 2018

What is CVE-2018-6519?

A vulnerable Regular Expression implementation in the SAML2 library versions prior to 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp can be exploited to trigger Denial of Service through specially crafted timestamp data. This could lead to unresponsive services, highlighting the need for immediate updates to affected versions to prevent exploitation.

References

https://simplesamlphp.org/security/201801-01
x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4127
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.