CVE-2021-32666

Asset DoS vulnerability

Description

wire-ios is the iOS version of Wire, an open-source secure messaging app. In wire-ios versions 3.8.0 and prior, a vulnerability exists that can cause a denial of service between users. If a user has an invalid assetID for their profile picture and it contains the " character, it will cause the iOS client to crash. The vulnerability is patched in wire-ios version 3.8.1.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: wireapp wire-ios
Published at:
Updated at:

References

Link Tags
https://github.com/wireapp/wire-ios/security/advisories/GHSA-2x9x-vh27-h4rv third party advisory patch
https://github.com/wireapp/wire-ios-data-model/commit/35af3f632085f51a2ce7f608fdaeffd1a69ad89f third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-32666?
CVE-2021-32666 has been scored as a medium severity vulnerability.
How to fix CVE-2021-32666?
To fix CVE-2021-32666, 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-2021-32666 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-32666 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-2021-32666?
CVE-2021-32666 affects wireapp wire-ios.
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