CVE Vulnerability

CVE-2020-27853

Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string. This affects Wire AVS (Audio, Video, and Signaling) 5.3 through 6.x before 6.4, the Wire Secure Messenger application before 3.49.918 for Android, and the Wire Secure Messenger application before 3.61 for iOS. This occurs via the value parameter to sdp_media_set_lattr in peerflow/sdp.c.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710075689 Exploit Third Party Advisory
http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vulnerability.html Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:wire:wire_secure_messenger:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:wire:wire_secure_messenger:*:*:*:*:*:android:*:*
cpe:2.3:a:wire:wire_-_audio,_video,_and_signaling:*:*:*:*:*:*:*:*
cpe:2.3:a:wire:wire:*:*:*:*:*:linux:*:*
cpe:2.3:a:wire:wire:*:*:*:*:*:macos:*:*
cpe:2.3:a:wire:wire:*:*:*:*:*:windows:*:*
Information

Published : 2020-10-27 06:15

Updated : 2020-12-07 04:55

NVD link : CVE-2020-27853

Mitre link : CVE-2020-27853

Products Affected
No products.
CWE
CWE-134

Use of Externally-Controlled Format String