eprintsug ulcc-core cgi/toolbox/toolbox password command injection

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.
7.4$0-$5k0.15

A vulnerability was found in eprintsug ulcc-core (version now known). It has been declared as critical. Affected by this vulnerability is some unknown processing of the file cgi/toolbox/toolbox. The manipulation of the argument password with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 01/05/2023 as 811edaae81eb044891594f00062a828f51b22cb1. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-4304. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Applying the patch 811edaae81eb044891594f00062a828f51b22cb1 is able to eliminate this problem. The bugfix is ready for download at github.com. The advisory contains the following remark:

Fixes RCE exploit by validating verb parameter for toolbox before eval (backported from 3.4)

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 6.3
CNA Vector (VulDB): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
ATT&CK: T1202

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 811edaae81eb044891594f00062a828f51b22cb1

Timelineinfo

01/05/2023 🔍
01/05/2023 +0 days 🔍
01/05/2023 +0 days 🔍
01/28/2023 +23 days 🔍

Sourcesinfo

Advisory: 811edaae81eb044891594f00062a828f51b22cb1
Status: Confirmed

CVE: CVE-2021-4304 (🔍)

Entryinfo

Created: 01/05/2023 11:04 AM
Updated: 01/28/2023 03:25 PM
Changes: 01/05/2023 11:04 AM (42), 01/28/2023 03:19 PM (2), 01/28/2023 03:25 PM (28)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!