Zammad up to 6.1.x SSL/TLS certificate host validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Zammad up to 6.1.x. It has been declared as critical. This issue affects some unknown processing of the component SSL/TLS. Executing a manipulation can lead to certificate host validation. This vulnerability is tracked as CVE-2023-50454. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zammad up to 6.1.x. It has been declared as problematic. This vulnerability affects some unknown processing of the component SSL/TLS. The manipulation with an unknown input leads to a certificate host validation vulnerability. The CWE definition for the vulnerability is CWE-297. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. As an impact it is known to affect integrity. CVE summarizes:

An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.

The weakness was disclosed 12/11/2023. The advisory is shared for download at zammad.com. This vulnerability was named CVE-2023-50454 since 12/10/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

Upgrading to version 6.2.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Certificate host validation
CWE: CWE-297 / CWE-295 / CWE-287
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: 🔍

0-Day Time: 🔍

Upgrade: Zammad 6.2.0

Timelineinfo

12/10/2023 🔍
12/11/2023 +1 days 🔍
12/11/2023 +0 days 🔍
01/01/2024 +21 days 🔍

Sourcesinfo

Advisory: zammad.com
Status: Confirmed

CVE: CVE-2023-50454 (🔍)
GCVE (CVE): GCVE-0-2023-50454
GCVE (VulDB): GCVE-100-247372

Entryinfo

Created: 12/11/2023 07:53
Updated: 01/01/2024 11:06
Changes: 12/11/2023 07:53 (39), 01/01/2024 11:06 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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