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

dimanche 10 février 2019

Binaryen 1.38.22 wasm-binary.cpp readUserSection denial of service

A vulnerability, which was classified as problematic, was found in Binaryen 1.38.22. Affected is the function wasm::WasmBinaryBuilder::readUserSection of the file wasm-binary.cpp. The manipulation with an unknown input leads to a denial of service vulnerability (Memory Exhaustion). CWE is classifying the issue as CWE-789. This is going to have an impact on availability. CVE summarizes:

wasm::WasmBinaryBuilder::readUserSection in wasm-binary.cpp in Binaryen 1.38.22 triggers an attempt at excessive memory allocation, as demonstrated by wasm-merge and wasm-opt.

The weakness was presented 02/10/2019. This vulnerability is traded as CVE-2019-7704 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.

See 130724, 130725, 130726 and 130727 for similar entries.

CPE

CVSSv3

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: ≈3.5
VulDB Temp Score: ≈3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

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

Exploiting

Class: Denial of service / Memory Exhaustion (CWE-789)
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-2019-7704 (🔒)
See also: 🔒

Entry

Created: 02/11/2019
Complete: 🔍

Lien vers l'article source

Auteur: VulDB

Catégories: VulDBNombre de vues: 47

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