Add OSSA-2021-002 (CVE-2021-3654)
Change-Id: I1574738a9aa047314c9b933f8bbe032d346cd2d7 Closes-Bug: #1927677
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date: 2021-07-29
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id: OSSA-2021-002
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title: Open Redirect in noVNC proxy
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description: >
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Swe Aung, Shahaan Ayyub, and Salman Khan with the Monash University Cyber
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Security team reported a vulnerability affecting Nova's noVNC proxying
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implementation which exposed access to a well-known redirect behavior in the
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Python standard library's http.server.SimpleHTTPRequestHandler and thus
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noVNC's WebSockifyRequestHandler which uses it. By convincing a user to
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follow a specially-crafted novncproxy URL, the user could be redirected to an
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unrelated site under control of the attacker in an attempt to convince them
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to divulge credentials or other sensitive data. All Nova deployments with
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novncproxy enabled are affected.
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affected-products:
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- product: Nova
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version: '<21.2.3, >=22.0.0 <22.2.3, >=23.0.0 <23.0.2'
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vulnerabilities:
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- cve-id: CVE-2021-3654
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reporters:
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- name: Swe Aung
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affiliation: Monash University Cyber Security team
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reported:
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- CVE-2021-3654
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- name: Shahaan Ayyub
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affiliation: Monash University Cyber Security team
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reported:
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- CVE-2021-3654
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- name: Salman Khan
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affiliation: Monash University Cyber Security team
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reported:
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- CVE-2021-3654
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issues:
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links:
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- https://launchpad.net/bugs/1927677
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- https://bugs.python.org/issue32084
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reviews:
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xena:
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- https://review.opendev.org/791297
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wallaby:
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- https://review.opendev.org/791577
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victoria:
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- https://review.opendev.org/791805
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ussuri:
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- https://review.opendev.org/791806
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train:
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- https://review.opendev.org/791807
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notes:
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- The stable/train branch is under extended maintenance and will receive no
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new point releases, but a patch for it is provided as a courtesy.
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