MyBB up to 1.8.29 Settings Management code injection

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MyBB up to 1.8.29. Affected is an unknown function of the component Settings Management Module. Such manipulation leads to code injection. This vulnerability is listed as CVE-2022-24734. The attack may be performed from remote. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MyBB up to 1.8.29 (Content Management System) and classified as critical. Affected by this issue is an unknown functionality of the component Settings Management Module. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability.

The weakness was presented 03/10/2022 as GHSA-876v-gwgh-w57f. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-24734 since 02/10/2022. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading to version 1.8.30 eliminates this vulnerability. The upgrade is hosted for download at mybb.com. Applying the patch 92012b9831b330714b9f9b4646a98784113489c1 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 Exploit-DB (50924). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MyBB 1.8.30
Patch: 92012b9831b330714b9f9b4646a98784113489c1

Timelineinfo

02/10/2022 🔍
03/10/2022 +28 days 🔍
03/10/2022 +0 days 🔍
12/03/2024 +999 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: GHSA-876v-gwgh-w57f
Status: Confirmed

CVE: CVE-2022-24734 (🔍)
GCVE (CVE): GCVE-0-2022-24734
GCVE (VulDB): GCVE-100-194468
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/10/2022 06:34
Updated: 12/03/2024 07:56
Changes: 03/10/2022 06:34 (53), 03/12/2022 08:47 (1), 03/12/2022 08:49 (1), 12/03/2024 07:56 (23)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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