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vulnrichmentGitHub_MVULNRICHMENT:CVE-2023-46743
HistoryNov 09, 2023 - 3:32 p.m.

CVE-2023-46743 The same file cannot be opened with different rights

2023-11-0915:32:21
CWE-276
GitHub_M
github.com
2
collabora online
xwiki
office attachments
security issue
preservation of edit rights
version 1.3

CVSS3

7.3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

application-collabora is an integration of Collabora Online in XWiki. As part of the application use cases, depending on the rights that a user has over a document, they should be able to open the office attachments files in view or edit mode. Currently, if a user opens an attachment file in edit mode in collabora, this right will be preserved for all future users, until the editing session is closes, even if some of them have only view right. Collabora server is the one issuing this request and it seems that the userCanWrite query parameter is cached, even if, for example, token is not. This issue has been patched in version 1.3.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:xwikisas:application-collabora:*:*:*:*:*:*:*:*"
    ],
    "vendor": "xwikisas",
    "product": "application-collabora",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

7.3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

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