Binaryen 1.38.22 WASM File wasm-binary.cpp getType input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Binaryen 1.38.22 and classified as problematic. This vulnerability affects the function wasm::WasmBinaryBuilder::getType of the file wasm-binary.cpp of the component WASM File Handler. Such manipulation leads to input validation. This vulnerability is traded as CVE-2019-7662. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Binaryen 1.38.22 and classified as problematic. Affected by this issue is the function wasm::WasmBinaryBuilder::getType of the file wasm-binary.cpp of the component WASM File Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

An assertion failure was discovered in wasm::WasmBinaryBuilder::getType() in wasm-binary.cpp in Binaryen 1.38.22. This allows remote attackers to cause a denial of service (failed assertion and crash) via a crafted wasm file.

The bug was discovered 01/16/2019. The weakness was shared 02/09/2019. This vulnerability is handled as CVE-2019-7662 since 02/09/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $0-$5k.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2019 🔍
02/09/2019 +24 days 🔍
02/09/2019 +0 days 🔍
02/10/2019 +1 days 🔍
07/09/2023 +1610 days 🔍

Sourcesinfo

Advisory: 1872
Status: Not defined

CVE: CVE-2019-7662 (🔍)
GCVE (CVE): GCVE-0-2019-7662
GCVE (VulDB): GCVE-100-130694

Entryinfo

Created: 02/10/2019 10:19
Updated: 07/09/2023 08:52
Changes: 02/10/2019 10:19 (54), 05/09/2020 15:05 (1), 07/09/2023 08:52 (4)
Complete: 🔍
Cache ID: 216::103

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