CVE-2019-7151: Null Pointer Dereference
Published Jan 29, 2019
·Updated
A NULL pointer dereference was discovered in wasm::Module::getFunctionOrNull in wasm/wasm.cpp in Binaryen 1.38.22. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm-opt.
Affected Software
1 affected component
Webassembly Binaryen<65
Event History
Jan 29, 2019
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·12:29 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is CVE-2019-7151?
CVE-2019-7151 is a vulnerability that allows an attacker to cause denial-of-service by triggering a NULL pointer dereference in Binaryen 1.38.22.
2
How severe is CVE-2019-7151?
CVE-2019-7151 has a severity rating of 6.5, which is considered medium.
3
What software is affected by CVE-2019-7151?
Binaryen 1.38.22 is affected by CVE-2019-7151.
4
How can an attacker exploit CVE-2019-7151?
An attacker can exploit CVE-2019-7151 by sending a crafted input to wasm::Module::getFunctionOrNull, which triggers a NULL pointer dereference and leads to denial-of-service.
5
Is there a fix for CVE-2019-7151?
Upgrading to a version above 1.38.22 of Binaryen fixes CVE-2019-7151.