Cloud Foundry Gorouter WebSocket Request input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in Cloud Foundry. This impacts an unknown function of the component Gorouter. Performing a manipulation as part of WebSocket Request results in input validation. This vulnerability was named CVE-2018-1221. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.
Details
A vulnerability was found in Cloud Foundry (Cloud Software) (the affected version is unknown). It has been classified as critical. This affects an unknown code of the component Gorouter. The manipulation as part of a WebSocket Request leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket requests for AWS Application Load Balancers (ALBs) and some other HTTP-aware Load Balancers. A user with developer privileges could use this vulnerability to steal data or cause denial of service.
The bug was discovered 02/13/2018. The weakness was presented 03/19/2018 (Website). It is possible to read the advisory at cloudfoundry.org. This vulnerability is uniquely identified as CVE-2018-1221 since 12/06/2017. It is possible to initiate the attack remotely. A authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 34 days. During that time the estimated underground price was around $0-$5k.
Upgrading eliminates this vulnerability.
See VDB-114779 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
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: 🔍
Timeline
12/06/2017 🔍02/13/2018 🔍
03/19/2018 🔍
03/19/2018 🔍
03/20/2018 🔍
01/15/2020 🔍
Sources
Advisory: cloudfoundry.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2018-1221 (🔍)
GCVE (CVE): GCVE-0-2018-1221
GCVE (VulDB): GCVE-100-114783
See also: 🔍
Entry
Created: 03/20/2018 07:25Updated: 01/15/2020 06:55
Changes: 03/20/2018 07:25 (58), 01/15/2020 06:55 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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