High severity · published Aug 3, 2018
CVE-2018-14774
An issue was discovered in HttpKernel in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through…
7.2
CVSS
1.1%
EPSS
No
On KEV
Description
An issue was discovered in HttpKernel in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through 4.1.2. When using HttpCache, the values of the X-Forwarded-Host headers are implicitly set as trusted while this should be forbidden, leading to potential host header injection.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SY
Symfony · Sensiolabs
2.7.0 through 2.7.48; 2.8.0 through 2.8.43; 3.3.0 through 3.3.17; 3.4.0 through 3.4.13; 4.0.0 through 4.0.13; 4.1.0 through 4.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14774
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-14774
Issue Tracking
https://github.com/symfony/symfony/commit/725dee4cd8b4ccd52e335ae4b4522242cea9bd4a
Patch
https://symfony.com/blog/cve-2018-14774-possible-host-header-injection-when-using-httpcache
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