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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.94% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-134
- Affected
- wire/wire · wire/wire - audio\, video\, and signaling · wire/wire secure messenger
- Source
- cve@mitre.org
References
- http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vulnerability.htmlExploit, Third Party Advisory
- https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710075689Exploit, Third Party Advisory
- http://github.security.telekom.com/2020/11/wire-secure-messenger-format-string-vulnerability.htmlExploit, Third Party Advisory
- https://github.com/wireapp/wire-audio-video-signaling/issues/23#issuecomment-710075689Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.