High severity · published Sep 27, 2019
CVE-2019-11927
An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images
7.8
CVSS
0.9%
EPSS
No
On KEV
Description
An integer overflow in WhatsApp media parsing libraries allows a remote attacker to perform an out-of-bounds write on the heap via specially-crafted EXIF tags in WEBP images. This issue affects WhatsApp for Android before version 2.19.143 and WhatsApp for iOS before version 2.19.100.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WH
Whatsapp · Whatsapp
before 2.9.143; before 2.19.100 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11927
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11927
Third Party Advisory
https://www.facebook.com/security/advisories/cve-2019-11927
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