52 lines
2.5 KiB
YAML
52 lines
2.5 KiB
YAML
id: CVE-2021-22873
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info:
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name: Revive Adserver <5.1.0 - Open Redirect
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author: pudsec
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severity: medium
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description: Revive Adserver before 5.1.0 contains an open redirect vulnerability via the dest, oadest, and ct0 parameters of the lg.php and ck.php delivery scripts. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to redirect users to malicious websites, leading to phishing attacks or the execution of further attacks.
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remediation: |
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Upgrade Revive Adserver to version 5.1.0 or later to mitigate this vulnerability.
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reference:
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- https://hackerone.com/reports/1081406
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- https://github.com/revive-adserver/revive-adserver/issues/1068
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- http://seclists.org/fulldisclosure/2021/Jan/60
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- https://nvd.nist.gov/vuln/detail/CVE-2021-22873
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- http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 6.1
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cve-id: CVE-2021-22873
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cwe-id: CWE-601
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epss-score: 0.00922
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epss-percentile: 0.81209
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cpe: cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 6
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vendor: revive-adserver
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product: revive_adserver
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shodan-query: http.favicon.hash:106844876
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tags: cve2021,cve,hackerone,seclists,packetstorm,redirect,revive,revive-adserver
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http:
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- method: GET
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path:
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- "{{BaseURL}}/ads/www/delivery/lg.php?dest=http://interact.sh"
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- "{{BaseURL}}/adserve/www/delivery/lg.php?dest=http://interact.sh"
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- "{{BaseURL}}/adserver/www/delivery/lg.php?dest=http://interact.sh"
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- "{{BaseURL}}/openx/www/delivery/lg.php?dest=http://interact.sh"
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- "{{BaseURL}}/revive/www/delivery/lg.php?dest=http://interact.sh"
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- "{{BaseURL}}/www/delivery/lg.php?dest=http://interact.sh"
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stop-at-first-match: true
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host-redirects: true
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max-redirects: 2
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matchers:
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- type: regex
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part: header
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regex:
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- '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1
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# digest: 490a0046304402206825e5ab8251fc139a7b9f7ac5b06687ca56ae1e65ed767ca11c20c7930c7e1f02205a2f6d3c6d66a885a07cd69568accc9951b72dc883ed9cc1f62f561083da2e0c:922c64590222798bb761d5b6d8e72950 |