VDB-213464 · CVE-2022-3959 · EUVD-2022-43292

drogon up to 1.8.1 Session Hash random values

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
3.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in drogon up to 1.8.1. It has been declared as problematic. This impacts an unknown function of the component Session Hash Handler. Such manipulation leads to random values. This vulnerability is traded as CVE-2022-3959. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in drogon up to 1.8.1. Affected by this issue is some unknown processing of the component Session Hash Handler. The manipulation with an unknown input leads to a random values vulnerability. Using CWE to declare the problem leads to CWE-334. The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks. Impacted is availability.

The weakness was shared 11/11/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-3959. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.

Upgrading to version 1.8.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch c0d48da99f66aaada17bcd28b07741cac8697647 is able to eliminate this problem. The bugfix is ready for download at github.com. 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-2022-43292). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

drogon

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Random values
CWE: CWE-334 / CWE-331 / CWE-330
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: drogon 1.8.2
Patch: c0d48da99f66aaada17bcd28b07741cac8697647

Timelineinfo

11/11/2022 🔍
11/11/2022 +0 days 🔍
11/11/2022 +0 days 🔍
07/23/2026 +1350 days 🔍

Sourcesinfo

Advisory: c0d48da99f66aaada17bcd28b07741cac8697647
Status: Confirmed

CVE: CVE-2022-3959 (🔍)
GCVE (CVE): GCVE-0-2022-3959
GCVE (VulDB): GCVE-100-213464
EUVD: 🔍

Entryinfo

Created: 11/11/2022 17:04
Updated: 07/23/2026 06:11
Changes: 11/11/2022 17:04 (41), 12/17/2022 09:16 (4), 07/23/2026 06:11 (15)
Complete: 🔍
Cache ID: 216::103

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