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Description

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A vulnerability was found in Buttercup buttercup-browser-extension up to 0.14.2. Affected by this vulnerability is an unknown functionality of the component Vault Handler. The manipulation results in improper access controls. The attack may be performed from a remote location. A high complexity level is associated with this attack. The exploitation appears to be difficult. The exploit has been made public and could be used. Upgrading to version 1.0.1 addresses this issue. The patch is identified as 89. Upgrading the affected component is recommended. This vulnerability only affects products that are no longer supported by the maintainer.

Es wurde eine Schwachstelle in Buttercup buttercup-browser-extension bis 0.14.2 entdeckt. Das betrifft eine unbekannte Funktionalität der Komponente Vault Handler. Die Bearbeitung verursacht improper access controls. Der Angriff kann über das Netzwerk angegangen werden. Die Komplexität eines Angriffs ist eher hoch. Die Ausführung eines Exploits gilt als schwer. Die Ausnutzung wurde veröffentlicht und kann verwendet werden. Das Aktualisieren auf Version 1.0.1 kann dieses Problem lösen. Die Bezeichnung des Patches lautet 89. Die Aktualisierung der betroffenen Komponente wird empfohlen.

PUBLISHED Reserved 2025-08-13 | Published 2025-08-15 | Updated 2025-08-27 | Assigner VulDB




LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.1CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
LOW: 3.1CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
2.6AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C

Problem types

Improper Access Controls

Incorrect Privilege Assignment

Product status

0.14.0
affected

0.14.1
affected

0.14.2
affected

1.0.1
unaffected

Timeline

2025-08-13:Advisory disclosed
2025-08-13:VulDB entry created
2025-08-27:VulDB entry last update

Credits

Luke Childs finder

lukechilds (VulDB User) reporter

lukechilds (VulDB User) analyst

References

vuldb.com/?id.319969 (VDB-319969 | Buttercup buttercup-browser-extension Vault access control) vdb-entry technical-description

vuldb.com/?ctiid.319969 (VDB-319969 | CTI Indicators (IOB, IOC, TTP)) signature permissions-required

vuldb.com/?submit.628170 (Submit #628170 | Buttercup Password Manager Buttercup Browser Extension <=v0.14.2 Improper Access Control – Sensitive Data Exposure (CWE-284 / CWE) third-party-advisory

github.com/buttercup/buttercup-browser-extension/issues/92 issue-tracking

github.com/buttercup/buttercup-browser-extension/issues/92 issue-tracking

github.com/buttercup/buttercup-browser-extension/issues/92 exploit issue-tracking

github.com/buttercup/buttercup-browser-extension/pull/89 issue-tracking patch

github.com/...uttercup-browser-extension/releases/tag/v1.0.1 patch

cve.org (CVE-2017-20199)

nvd.nist.gov (CVE-2017-20199)

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