ASA-2019-00211 – GitLab: Denial of service (DoS) potential for regex in CI/CD refs

Posted on by Allele Security Intelligence in Alerts

Allele Security Alert

ASA-2019-00211

Identifier(s)

ASA-2019-00211, CVE-2019-10640

Title

Denial of service (DoS) potential for regex in CI/CD refs

Vendor(s)

GitLab

Product(s)

GitLab Community Edition (CE)
GitLab Enterprise Edition (EE)

Affected version(s)

GitLab CE/EE 8.0 and later

Fixed version(s)

GitLab Community Edition (CE) and GitLab Enterprise Edition (EE) 11.9.4
GitLab Community Edition (CE) and GitLab Enterprise Edition (EE) 11.8.6
GitLab Community Edition (CE) and GitLab Enterprise Edition (EE) 11.7.10

Proof of concept

Unknown

Description

An regex input validation issue for the .gitlab-ci.yml refs value was discovered which could allow an attacker to execute a denial of service (DoS) on the platform.

Technical details

Unknown

Credits

Unknown

Reference(s)

GitLab Security Release: 11.9.4, 11.8.6, and 11.7.10
https://about.gitlab.com/2019/04/01/security-release-gitlab-11-dot-9-dot-4-released/

CVE-2019-10640
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10640

CVE-2019-10640
https://nvd.nist.gov/vuln/detail/CVE-2019-10640

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Last modified: April 23, 2019

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