CVE-2018-20655

Description

When receiving calls using WhatsApp for iOS, a missing size check when parsing a sender-provided packet allowed for a stack-based overflow. This issue affects WhatsApp for iOS prior to v2.18.90.24 and WhatsApp Business for iOS prior to v2.18.90.24.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.54%
Third-Party Advisory securityfocus.com Third-Party Advisory facebook.com
Affected: Facebook WhatsApp for iOS
Affected: Facebook WhatsApp Business for iOS
Published at:
Updated at:

References

Link Tags
https://www.facebook.com/security/advisories/cve-2018-20655/ third party advisory
http://www.securityfocus.com/bid/108805 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-20655?
CVE-2018-20655 has been scored as a critical severity vulnerability.
How to fix CVE-2018-20655?
To fix CVE-2018-20655, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20655 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-20655 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-20655?
CVE-2018-20655 affects Facebook WhatsApp for iOS, Facebook WhatsApp Business for iOS.
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