What is CVE-2018-6519?

CVE-2018-6519 is a high-severity vulnerability in Simplesamlphp Saml2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.5/10. Published 2018-02-02.

How severe is CVE-2018-6519?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Simplesamlphp Saml2

CVE-2018-6519

The SAML2 library before 1.10.4, 2.x before 2.3.5, and 3.x before 3.1.1 in SimpleSAMLphp has a Regular Expression Denial of Service vulnerability for fraction-of-seconds data in a timestamp.

EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Simplesamlphp Saml2
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2018-6519?: CVE-2018-6519 is a high-severity vulnerability in Simplesamlphp Saml2, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.5/10. Published 2018-02-02.
How severe is CVE-2018-6519?: High severity. CVSS v3 base score is 7.5 out of 10.