NCSC-2025-0042

Vulnerability from csaf_ncscnl - Published: 2025-02-07 07:41 - Updated: 2025-02-07 07:41
Summary
Kwetsbaarheden verholpen in Cisco AsyncOS Software

Notes

The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.
Feiten
Cisco heeft kwetsbaarheden verholpen in Cisco AsyncOS Software (Specifiek voor Cisco Secure Web Appliance en Cisco Secure Email Gateway).
Interpretaties
De kwetsbaarheden bevinden zich in de manier waarop Cisco AsyncOS Software omgaat met verzoeken en configuratiebestanden. Een aanvaller kan ongeauthenticeerde toegang krijgen tot het systeem door gebruik te maken van onjuiste verwerking van opgemaakte range request headers, waardoor ze schadelijke bestanden kunnen downloaden zonder authenticatie. Daarnaast kunnen geauthenticeerde aanvallers, door onvoldoende validatie van XML-configuratiebestanden, commando-injectie aanvallen uitvoeren, wat kan leiden tot willekeurige commando-uitvoering. Bovendien kunnen lokale aanvallers een architectonale fout in het wachtwoordgeneratie-algoritme misbruiken, wat kan leiden tot privilege-escalatie naar root. Deze kwetsbaarheden vereisen onmiddellijke aandacht van beveiligingsteams.
Oplossingen
Cisco heeft updates uitgebracht om de kwetsbaarheden te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Kans
medium
Schade
high
CWE-250
Execution with Unnecessary Privileges
CWE-20
Improper Input Validation
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        "text": "De kwetsbaarheden bevinden zich in de manier waarop Cisco AsyncOS Software omgaat met verzoeken en configuratiebestanden. Een aanvaller kan ongeauthenticeerde toegang krijgen tot het systeem door gebruik te maken van onjuiste verwerking van opgemaakte range request headers, waardoor ze schadelijke bestanden kunnen downloaden zonder authenticatie. Daarnaast kunnen geauthenticeerde aanvallers, door onvoldoende validatie van XML-configuratiebestanden, commando-injectie aanvallen uitvoeren, wat kan leiden tot willekeurige commando-uitvoering. Bovendien kunnen lokale aanvallers een architectonale fout in het wachtwoordgeneratie-algoritme misbruiken, wat kan leiden tot privilege-escalatie naar root. Deze kwetsbaarheden vereisen onmiddellijke aandacht van beveiligingsteams.",
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