illumos Door Dispatch Table ipmgmt_door.c ipmgmt_ipmp_update_handler improper authorization

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4.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in illumos. This affects the function ipmgmt_ipmp_update_handler of the file usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c of the component Door Dispatch Table. Executing a manipulation can lead to improper authorization. This vulnerability is tracked as CVE-2026-104117. The attack is restricted to local execution. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability has been found in illumos (version unknown) and classified as problematic. This vulnerability affects the function ipmgmt_ipmp_update_handler of the file usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c of the component Door Dispatch Table. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity, and availability. CVE summarizes:

A missing authorization check in the illumos IP management daemon (ipmgmtd) allows a local user to change the persistent IP multipathing (IPMP) configuration. The ipmgmtd door dispatch table in usr/src/cmd/cmd-inet/lib/ipmgmtd/ipmgmt_door.c does not require the solaris.network.interface.config authorization for the IPMGMT_CMD_IPMP_UPDATE command, although its handler, ipmgmt_ipmp_update_handler(), writes to the persistent ipadm configuration when the IPMGMT_PERSIST flag is set. An unprivileged local user can therefore add interfaces to, or remove them from, existing IPMP groups in the stored configuration. The running configuration is not changed; the modification takes effect when the stored configuration is next applied, such as at boot, and may disrupt network connectivity. The flaw has existed since 2021 (illumos-gate commit a73be61a), and affects any illumos distribution prior to illumos-gate commit e8d3efa1.

The advisory is shared for download at illumos.topicbox.com. This vulnerability was named CVE-2026-104117 since 10/01/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1548.002.

It is declared as proof-of-concept.

Applying the patch e8d3efa1 is able to eliminate this problem.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: e8d3efa1

Timelineinfo

10/01/2026 CVE reserved
10/09/2026 +8 days Advisory disclosed
10/09/2026 +0 days VulDB entry created
10/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: illumos.topicbox.com
Status: Confirmed

CVE: CVE-2026-104117 (🔒)
GCVE (CVE): GCVE-0-2026-104117
GCVE (VulDB): GCVE-100-415912

Entryinfo

Created: 10/09/2026 16:49
Changes: 10/09/2026 16:49 (67)
Complete: 🔍
Cache ID: 216::103

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