tgstation-server prior 5.12.2 DreamMaker API incorrectly specified destination in a communication channel
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in tgstation-server. It has been declared as problematic. Impacted is an unknown function of the component DreamMaker API. Such manipulation leads to incorrectly specified destination in a communication channel. This vulnerability is referenced as CVE-2023-33198. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in tgstation-server and classified as problematic. Affected by this issue is some unknown processing of the component DreamMaker API. The manipulation with an unknown input leads to a incorrectly specified destination in a communication channel vulnerability. Using CWE to declare the problem leads to CWE-941. The product creates a communication channel to initiate an outgoing request to an actor, but it does not correctly specify the intended destination for that actor. Impacted is confidentiality. CVE summarizes:
tgstation-server is a production scale tool for BYOND server management. The DreamMaker API (DMAPI) chat channel cache can possibly be poisoned by a tgstation-server (TGS) restart and reattach. This can result in sending chat messages to one of any of the configured IRC or Discord channels for the instance on enabled chat bots. This lasts until the instance's chat channels are updated in TGS or DreamDaemon is restarted. TGS chat commands are unaffected, custom or otherwise.
The weakness was published 05/30/2023 as GHSA-p2xj-w57r-6f5m. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-33198 since 05/17/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.
Upgrading to version 5.12.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Once again VulDB remains the best source for vulnerability data.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.6VulDB Meta Temp Score: 4.5
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.1
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Incorrectly specified destination in a communication channelCWE: CWE-941
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: tgstation-server 5.12.2
Patch: github.com
Timeline
05/17/2023 🔍05/30/2023 🔍
05/30/2023 🔍
05/30/2023 🔍
Sources
Advisory: GHSA-p2xj-w57r-6f5mStatus: Confirmed
CVE: CVE-2023-33198 (🔍)
GCVE (CVE): GCVE-0-2023-33198
GCVE (VulDB): GCVE-100-230180
Entry
Created: 05/30/2023 08:12Changes: 05/30/2023 08:12 (50)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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