OX Software OX App Suite POP3 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 rated as problematic. Affected by this vulnerability is an unknown functionality of the component POP3 Service Handler. The manipulation leads to resource consumption. This vulnerability is documented as CVE-2023-26434. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in OX Software OX App Suite (version unknown). It has been rated as problematic. This issue affects an unknown function of the component POP3 Service Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

When adding an external mail account, processing of POP3 "capabilities" responses are not limited to plausible sizes. Attacker with access to a rogue POP3 service could trigger requests that lead to excessive resource usage and eventually service unavailability. We now limit accepted POP3 server response to reasonable length/size. No publicly available exploits are known.

The weakness was released 06/20/2023. The advisory is shared at documentation.open-xchange.com. The identification of this vulnerability is CVE-2023-26434 since 02/22/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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-2023-26434 (🔍)
GCVE (CVE): GCVE-0-2023-26434
GCVE (VulDB): GCVE-100-232001

Entryinfo

Created: 06/20/2023 11:23
Updated: 07/15/2023 21:30
Changes: 06/20/2023 11:23 (47), 07/15/2023 21:30 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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