CVE-2023-33182

Nextcloud Contacts photos only sanitized if mime type is all lower case

Description

Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. The unsanitized SVG is converted to a JavaScript blob (in memory data) that the Avatar can't render. Due to this constellation the missing sanitization does not seem to be exploitable. It is recommended that the Contacts app is upgraded to 5.0.3 or 4.2.4

Category

N/A
CVSS
Severity: Low
EPSS 0.09%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hxr6-cx85-gcjx vendor advisory
https://github.com/nextcloud/contacts/pull/3199 patch
https://hackerone.com/reports/1789602 permissions required

Frequently Asked Questions

What is the severity of CVE-2023-33182?
CVE-2023-33182 has not yet been assigned a CVSS score.
How to fix CVE-2023-33182?
To fix CVE-2023-33182, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-33182 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-33182 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-33182?
CVE-2023-33182 affects nextcloud security-advisories.
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