async-h1 Crate up to 2.2.x on Rust Reverse Proxy request smuggling
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in async-h1 Crate up to 2.2.x on Rust. Affected by this issue is some unknown functionality of the component Reverse Proxy Handler. This manipulation causes request smuggling. This vulnerability is tracked as CVE-2020-36202. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical was found in async-h1 Crate up to 2.2.x on Rust (Rust Package). Affected by this vulnerability is an unknown code of the component Reverse Proxy Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. The CWE definition for the vulnerability is CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 01/27/2021 as RUSTSEC-2020-0093. The advisory is shared at rustsec.org. This vulnerability is known as CVE-2020-36202. Neither technical details nor an exploit are publicly available.
Upgrading to version 2.3.0 eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.8VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Request smugglingCWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: async-h1 Crate 2.3.0
Timeline
01/22/2021 🔍01/27/2021 🔍
01/27/2021 🔍
02/19/2021 🔍
Sources
Advisory: RUSTSEC-2020-0093Status: Confirmed
CVE: CVE-2020-36202 (🔍)
GCVE (CVE): GCVE-0-2020-36202
GCVE (VulDB): GCVE-100-168697
Entry
Created: 01/27/2021 09:25Updated: 02/19/2021 23:40
Changes: 01/27/2021 09:25 (40), 02/19/2021 23:34 (5), 02/19/2021 23:40 (18)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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