userver HTTP Request denial of service

CVSS Meta Temp Score
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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.
5.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in userver. This vulnerability affects unknown code of the component HTTP Request Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2022-28229. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in userver (affected version not known). It has been declared as problematic. This vulnerability affects some unknown functionality of the component HTTP Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The hash functionality in userver before 42059b6319661583b3080cab9b595d4f8ac48128 allows attackers to cause a denial of service via crafted HTTP request, involving collisions.

The weakness was released 12/24/2022. The advisory is shared for download at userver.tech. This vulnerability was named CVE-2022-28229 since 03/30/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at userver.tech. Applying the patch 42059b6319661583b3080cab9b595d4f8ac48128 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-32681). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: userver.tech
Patch: 42059b6319661583b3080cab9b595d4f8ac48128

Timelineinfo

03/30/2022 🔍
12/24/2022 +269 days 🔍
12/24/2022 +0 days 🔍
05/16/2026 +1239 days 🔍

Sourcesinfo

Advisory: userver.tech
Status: Confirmed

CVE: CVE-2022-28229 (🔍)
GCVE (CVE): GCVE-0-2022-28229
GCVE (VulDB): GCVE-100-216736
EUVD: 🔍

Entryinfo

Created: 12/24/2022 08:24
Updated: 05/16/2026 16:25
Changes: 12/24/2022 08:24 (39), 01/24/2023 07:31 (11), 05/16/2026 16:25 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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