Low severity · published Mar 23, 2019
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…
3.7
CVSS
1.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
TW
Twig · Symfony
before 1.38.0; 2.0.0 before 2.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-9942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-9942
Patch
https://github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077
Mailing List
https://seclists.org/bugtraq/2019/Mar/60
Patch
https://symfony.com/blog/twig-sandbox-information-disclosure
Third Party Advisory
https://www.debian.org/security/2019/dsa-4419
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