VDB-74088 · CVE-2015-2352 · BID 73257

MyBB up to 1.8.3 Cache var_export Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in MyBB up to 1.8.3. This vulnerability affects the function var_export of the component Cache Handler. The manipulation results in Remote Code Execution. This vulnerability was named CVE-2015-2352. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in MyBB up to 1.8.3 (Content Management System). Affected is the function var_export of the component Cache Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The cache handler in MyBB (aka MyBulletinBoard) before 1.8.4 does not properly check the encoding of input to the var_export function, which allows attackers to have an unspecified impact via unknown vectors.

The weakness was presented 02/15/2015 as MyBB 1.8.4 Released – Feature Update, Security & Maintenance Release as confirmed release notes (Blog). The advisory is shared for download at blog.mybb.com. This vulnerability is traded as CVE-2015-2352 since 03/19/2015. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Upgrading to version 1.8.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 73257†) and SecurityTracker (ID 1031953†). See VDB-69210, VDB-74083, VDB-74084 and VDB-74085 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: MyBB 1.8.4

Timelineinfo

02/15/2015 🔍
02/15/2015 +0 days 🔍
03/19/2015 +32 days 🔍
03/19/2015 +0 days 🔍
03/19/2015 +0 days 🔍
03/20/2015 +1 days 🔍
03/23/2015 +3 days 🔍
01/10/2018 +1024 days 🔍

Sourcesinfo

Product: mybb.com

Advisory: MyBB 1.8.4 Released – Feature Update, Security & Maintenance Release
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2352 (🔍)
GCVE (CVE): GCVE-0-2015-2352
GCVE (VulDB): GCVE-100-74088
SecurityFocus: 73257 - MyBB CVE-2015-2352 Unspecified Security Vulnerability
SecurityTracker: 1031953

See also: 🔍

Entryinfo

Created: 03/23/2015 10:35
Updated: 01/10/2018 07:57
Changes: 03/23/2015 10:35 (52), 01/10/2018 07:57 (9)
Complete: 🔍
Cache ID: 216:371:103

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

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