CVE-2020-16872
HighSummary
W Microsoft Dynamics 365 (wersja lokalna) występuje podatność na ataki typu cross-site scripting, spowodowana niewłaściwym filtrowaniem specjalnie przygotowanych żądań webowych. Uwierzytelniony atakujący może wykorzystać tę podatność, wysyłając takie żądanie do serwera Dynamics.
Risk Assessment
Atakujący, który pomyślnie wykorzysta tę podatność, może przeprowadzać ataki cross-site scripting na dotkniętych systemach, co pozwala mu na odczytanie niedozwolonych treści oraz działanie w imieniu ofiary w systemie Dynamics, co może prowadzić do zmian uprawnień i usuwania treści.
Recommendation
Zaleca się zastosowanie aktualizacji zabezpieczeń, która zapewnia prawidłowe filtrowanie żądań webowych przez serwer Dynamics.
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Original NVD description (English source)
<p>A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected Dynamics server.</p> <p>The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current authenticated user. These attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions within Dynamics Server on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.</p> <p>The security update addresses the vulnerability by helping to ensure that Dynamics Server properly sanitizes web requests.</p>
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

