Vulnerability · Published Jun 3, 2021 · Assigned by GitHub_M

CVE-2021-32666Asset DoS vulnerability

Medium 6.5

In plain English

A medium-severity improper input validation in wire-ios from wireapp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.9%top 39.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
wireapp	wire-ios	<= 3.8.0

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/wireapp/wire-ios/security/advisories/GHSA-2x9x-vh27-h4rv x_refsource_CONFIRM
https://github.com/wireapp/wire-ios-data-model/commit/35af3f632085f51a2ce7f608fdaeffd1a69ad89f x_refsource_MISC