Home/CVE/When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data bei
CVE

CVE-2018-6339

When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data bei

When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data being passed in. An off-by-one error meant that data was written beyond the allocated space on the stack. This issue affects WhatsApp for Android starting in version 2.18.180 and was fixed in version 2.18.295.

It also affects WhatsApp Business for Android starting in version v2.18.103 and was fixed in version v2.18.150.

CRITICAL · CVSS 9.8 EPSS 0.00433
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
▤

Affected Products & Versions

2
whatsapp>= 2.18.180 and < 2.18.295
whatsapp business>= 2.18.103 and < 2.18.150
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve-assign@fb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jun 2019 · 05:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.facebook.com/security/advisories/cve-2018-6339/Third Party Advisory
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