Open Redirect in Sensiolabs Symfony
CVE-2017-16652
An issue was discovered in Symfony 2.7.x before 2.7.38, 2.8.x before 2.8.31, 3.2.x before 3.2.14, and 3.3.x before 3.3.13. DefaultAuthenticationSuccessHandler or DefaultAuthenticationFailureHandler takes the content of the _target_path parameter and generates a redirect response, but no check is performed on the path, which could be an absolute URL to an external domain. This Open redirect vulnerability can be exploited for example to mount effective phishing attacks.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Sensiolabs Symfony
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- symfony.com/blog/cve-2017-16652-open-redirect-vulnerability-on-security-handlers (Vendor Advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00009.html (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16652?
- CVE-2017-16652 is a medium-severity vulnerability in Sensiolabs Symfony, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-06-13.
- How severe is CVE-2017-16652?
- Medium severity. CVSS v3 base score is 6.1 out of 10.