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CVE-2022-31009— DoS vulnerability: Invalid Accent Colors

Quick assessment

Affected
wireapp wire-ios
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Wire是德国Wire公司的一款聊天软件。该软件支持 Web、WindowsiOS、Android、OS X 平台，有群组功能，可以语音通话，发送照片以及其独创性的打招呼方式 PING。 Wire-ios存在安全漏洞，该漏洞源于应用中的无效强调色可能会导致iOS Wire 客户端在启动多次发生崩溃。

CVSS 5.7 · Medium EPSS 0.67% · P51

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-31009

Vulnerability Information
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Vulnerability Title
DoS vulnerability: Invalid Accent Colors
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Wire 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wire是德国Wire公司的一款聊天软件。该软件支持 Web、WindowsiOS、Android、OS X 平台，有群组功能，可以语音通话，发送照片以及其独创性的打招呼方式 PING。 Wire-ios存在安全漏洞，该漏洞源于应用中的无效强调色可能会导致iOS Wire 客户端在启动多次发生崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wireapp wire-ios < 3.100 -

II. Public POCs for CVE-2022-31009

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III. Intelligence Information for CVE-2022-31009

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Vendor Advisories for CVE-2022-31009 (1)

IV. Related Vulnerabilities

Same product: wire-ios
Same vendor: wireapp
Same weakness: CWE-617

V. Comments for CVE-2022-31009

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