Vulnerability in Symfony Twig
CVE-2019-9942
A sandbox information disclosure exists in Twig before 1.38.0 and 2.x before 2.7.0 because, under some circumstances, it is possible to call the __toString() method on an object even if not allowed by the security policy in place.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Symfony Twig
- Debian Linux — versions 9.0
References
- symfony.com/blog/twig-sandbox-information-disclosure (Patch, Vendor Advisory)
- github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077 (Patch, Third Party Advisory)
- www.debian.org/security/2019/dsa-4419 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Mar/60 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-9942?
- CVE-2019-9942 is a low-severity vulnerability in Symfony Twig. CVSS score: 3.7/10. Published 2019-03-23.
- How severe is CVE-2019-9942?
- Low severity. CVSS v3 base score is 3.7 out of 10.