Vulnerability Details : 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 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.
Vulnerability category: Input validation
Products affected by CVE-2018-14774
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
- cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-14774
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-14774
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.2
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
3.9
|
2.7
|
NIST |
CWE ids for CVE-2018-14774
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-14774
-
https://symfony.com/blog/cve-2018-14774-possible-host-header-injection-when-using-httpcache
CVE-2018-14774: Possible host header injection when using HttpCache (Symfony Blog)Patch;Third Party Advisory
-
https://github.com/symfony/symfony/commit/725dee4cd8b4ccd52e335ae4b4522242cea9bd4a
[HttpKernel] fix trusted headers management in HttpCache and InlineFr… · symfony/symfony@725dee4 · GitHubIssue Tracking;Patch;Third Party Advisory
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