Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wire | Wire | < 3.21.2936 |
| Wire | Wire - Audio\, Video\, And Signaling | >= 5.3, < 6.4 |
| Wire | Wire Secure Messenger | < 3.49.918 |
Related Weaknesses (CWE)
References
- http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vExploitThird Party Advisory
- https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710ExploitThird Party Advisory
- http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vExploitThird Party Advisory
- https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710ExploitThird Party Advisory
FAQ
What is CVE-2020-27853?
CVE-2020-27853 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 Signali...
How severe is CVE-2020-27853?
CVE-2020-27853 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-27853?
Check the references section above for vendor advisories and patch information. Affected products include: Wire Wire, Wire Wire - Audio\, Video\, And Signaling, Wire Wire Secure Messenger.