Heap-based buffer overflow in WhatsApp Messenger for Android - CVE-2018-6344
Published: January 2, 2019
Vulnerability identifier: #VU16776
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-6344
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WhatsApp
Affected software:
WhatsApp Messenger for Android
WhatsApp Messenger for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to perform denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing RPT packets after the call is established. A remote attacker can send a specially crafted RTP packet, trigger heap-based buffer overflow and crash the affected application.
How to mitigate CVE-2018-6344
Update WhatsApp for Android to version 2.18.293, WhatsApp for iOS to version 2.18.93, and WhatsApp for Windows Phone to version 2.18.172.