SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-11931

A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user.

HIGH 7.8EPSS 1.21%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user. The issue was present in parsing the elementary stream metadata of an MP4 file and could result in a DoS or RCE. This affects Android versions prior to 2.19.274, iOS versions prior to 2.19.100, Enterprise Client versions prior to 2.25.3, Business for Android versions prior to 2.19.104 and Business for iOS versions prior to 2.19.100.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.21% probability · 67th percentile
CISA KEV
Not listed
Weakness
CWE-121, CWE-787
Affected
whatsapp/whatsapp · whatsapp/whatsapp business · whatsapp/whatsapp enterprise client
Source
cve-assign@fb.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.