CVE-2022-31009 DoS vulnerability: Invalid Accent Colors
An attacker can cause the Wire iOS client to crash repeatedly by sending invalid accent colors, requiring users to upgrade the application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-31009?
CVE-2022-31009 is a medium-severity denial of service vulnerability in wireapp wire-ios, published on 23 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
wire-ios is an iOS client for the Wire secure messaging application. Invalid accent colors of Wire communication partners may render the iOS Wire Client partially unusable by causing it to crash multiple times on launch. These invalid accent colors can be used by and sent between Wire users. The root cause was an unnecessary assert statement when converting an integer value into the corresponding enum value, causing an exception instead of a fallback to a default value. This issue is fixed in [wire-ios](https://github.com/wireapp/wire-ios/commit/caa0e27dbe51f9edfda8c7a9f017d93b8cfddefb) and in Wire for iOS 3.100. There is no workaround available, but users may use other Wire clients (such as the [web app](https://app.wire.com)) to continue using Wire, or upgrade their client.
Weakness: CWE-617
Which versions are affected by CVE-2022-31009?
It affects 1 product.
Products include Wire Wire.
How do I fix CVE-2022-31009?
No fix has been published for CVE-2022-31009 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-31009 being exploited?
There is no known exploitation of CVE-2022-31009 in the wild and no public exploit code.
Other vulnerabilities in wireapp wire-ios
Sources
Also known as GHSA-83m6-p7x5-925j.