ADVISORIES

• CVE-2015-5619 (NVD)
• GHSA-68pf-743m-hv2w
• Vendor Advisory

GEM

logstash-core

SEVERITY

CVSS v3.x: 5.9 (Medium)

CVSS v2.0: 4.3 (Medium)

PATCHED VERSIONS

• ~> 1.4.5
• >= 1.5.4

DESCRIPTION

Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.

RELATED

• https://nvd.nist.gov/vuln/detail/CVE-2015-5619
• https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released
• https://www.elastic.co/community/security
• https://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html
• https://sca.analysiscenter.veracode.com/vulnerability-database/security/man-middle-mitm-attacks/ruby/sid-1798/summary
• https://github.com/advisories/GHSA-68pf-743m-hv2w