OX Software OX App Suite IMAP Service resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in OX Software OX App Suite. It has been declared as problematic. Affected is an unknown function of the component IMAP Service Handler. Executing a manipulation can lead to resource consumption. This vulnerability is registered as CVE-2023-26433. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in OX Software OX App Suite (version now known). It has been declared as problematic. This vulnerability affects some unknown processing of the component IMAP Service Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

When adding an external mail account, processing of IMAP "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue IMAP service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted IMAP server response to reasonable length/size. No publicly available exploits are known.

The weakness was published 06/20/2023. The advisory is shared for download at documentation.open-xchange.com. This vulnerability was named CVE-2023-26433 since 02/22/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

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

CNA Base Score: 4.3
CNA Vector (Open-Xchange): 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/22/2023 🔍
06/20/2023 +117 days 🔍
06/20/2023 +0 days 🔍
07/15/2023 +25 days 🔍

Sourcesinfo

Advisory: 173083
Status: Confirmed

CVE: CVE-2023-26433 (🔍)
GCVE (CVE): GCVE-0-2023-26433
GCVE (VulDB): GCVE-100-232000

Entryinfo

Created: 06/20/2023 11:23
Updated: 07/15/2023 21:16
Changes: 06/20/2023 11:23 (47), 07/15/2023 21:16 (1)
Complete: 🔍
Cache ID: 216::103

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