Stack-based Buffer Overflow
CVE-2018-20655
Summary
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.
- LOW
- NETWORK
- HIGH
- UNCHANGED
- NONE
- NONE
- HIGH
- HIGH
CWE-121 - Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
References
Advisory Timeline
- Published