Vulnerability Details : CVE-2019-13464
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) 3.0.2. Use of X.Filename instead of X_Filename can bypass some PHP Script Uploads rules, because PHP automatically transforms dots into underscores in certain contexts where dots are invalid.
Products affected by CVE-2019-13464
- cpe:2.3:a:modsecurity:owasp_modsecurity_core_rule_set:3.0.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-13464
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 46 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-13464
| 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 | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-13464
-
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-13464
-
https://github.com/SpiderLabs/owasp-modsecurity-crs/pull/1391
Also handle dot variant of X_Filename by fgsch · Pull Request #1391 · SpiderLabs/owasp-modsecurity-crs · GitHubThird Party Advisory
-
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1386
Bypass rule PHP Script Uploads with id=933111 and id = 933110 · Issue #1386 · SpiderLabs/owasp-modsecurity-crs · GitHubExploit;Third Party Advisory
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