gRPC Swift up to 1.1.1 HTTP/2 Frame HTTP/2ToRawGRPCServerCodec recursion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in gRPC Swift up to 1.1.1. It has been declared as problematic. Affected by this issue is the function HTTP2ToRawGRPCServerCodec of the component HTTP2 Frame Handler. The manipulation results in recursion. This vulnerability is reported as CVE-2021-36154. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in gRPC Swift up to 1.1.1. Affected is the function HTTP2ToRawGRPCServerCodec of the component HTTP2 Frame Handler. The manipulation with an unknown input leads to a recursion vulnerability. CWE is classifying the issue as CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. This is going to have an impact on availability.

The weakness was disclosed 07/09/2021. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-36154. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
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

07/05/2021 🔍
07/09/2021 +4 days 🔍
07/09/2021 +0 days 🔍
07/11/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2021-36154 (🔍)
GCVE (CVE): GCVE-0-2021-36154
GCVE (VulDB): GCVE-100-178212

Entryinfo

Created: 07/09/2021 21:57
Updated: 07/11/2021 15:56
Changes: 07/09/2021 21:57 (37), 07/11/2021 15:56 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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