Vulnerability · Published Oct 6, 2020 · Assigned by facebook
CVE-2020-1903
Medium 5.5
In plain English
A medium-severity uncontrolled resource consumption in WhatsApp Business for iOS from Facebook. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.7%top 48.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WhatsApp for iOS | 2.20.61unspecified – before 2.20.61 | |
| WhatsApp Business for iOS | 2.20.61unspecified – before 2.20.61 |
Weakness: CWE-400
References
- https://www.whatsapp.com/security/advisories/2020/ x_refsource_CONFIRM