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Sources : US Cert, Cert EU, Cert FR, Cnil, VulDB.

dimanche 10 février 2019

Binaryen 1.38.22 wasm-binary.cpp visitCall memory corruption

A vulnerability was found in Binaryen 1.38.22. It has been rated as critical. Affected by this issue is the function wasm::WasmBinaryBuilder::visitCall of the file wasm-binary.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). Using CWE to declare the problem leads to CWE-122. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-merge.

The weakness was shared 02/10/2019. This vulnerability is handled as CVE-2019-7700 since 02/10/2019. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/11/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The issues 130725, 130726, 130727 and 130728 are related to this entry.

CPE

CVSSv3

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploiting

Class: Memory corruption / Heap-based (CWE-122)
Local: Yes
Remote: No

Availability: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: no mitigation known
0-Day Time: 🔒

Timeline

02/10/2019 Advisory disclosed
02/10/2019 CVE assigned
02/11/2019 VulDB entry created
02/11/2019 VulDB last update

Sources

CVE: CVE-2019-7700 (🔒)
See also: 🔒

Entry

Created: 02/11/2019
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 42

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