CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS
Percentile
50.3%
A vulnerability has been identified in Weave GitOps Terraform Controller which could allow an authenticated remote attacker to view sensitive information. This vulnerability stems from Weave GitOps Terraform Runners (tf-runner
), where sensitive data is inadvertently printed - potentially revealing sensitive user data in their pod logs. In particular, functions tfexec.ShowPlan
, tfexec.ShowPlanRaw
, and tfexec.Output
are implicated when the tfexec
object set its Stdout
and Stderr
to be os.Stdout
and os.Stderr
.
An unauthorized remote attacker could exploit this vulnerability by accessing these prints of sensitive information, which may contain configurations or tokens that could be used to gain unauthorized control or access to resources managed by the Terraform controller.
A successful exploit could allow the attacker to utilize this sensitive data, potentially leading to unauthorized access or control of the system.
This vulnerability has been addressed in Weave GitOps Terraform Controller versions v0.14.4
and v0.15.0-rc.5
. Users are urged to upgrade to one of these versions to mitigate the vulnerability.
The patches for this vulnerability are found in:
As a temporary measure until the patch can be applied, users can add the environment variable DISABLE_TF_LOGS
to the tf-runners via the runner pod template of the Terraform Custom Resource. This will prevent the logging of sensitive information and mitigate the risk of this vulnerability.
If you have any further questions or comments about this advisory:
Open an issue in the Weave GitOps Terraform Controller repository
Email us at [email protected]
Vendor | Product | Version | CPE |
---|---|---|---|
weaveworks | tf-controller | * | cpe:2.3:a:weaveworks:tf-controller:*:*:*:*:*:*:*:* |
github.com/advisories/GHSA-6hvv-j432-23cv
github.com/weaveworks/tf-controller/commit/28282bc644054e157c3b9a3d38f1f9551ce09074
github.com/weaveworks/tf-controller/commit/6323b355bd7f5d2ce85d0244fe0883af3881df4e
github.com/weaveworks/tf-controller/commit/9708fda28ccd0466cb0a8fd409854ab4d92f7dca
github.com/weaveworks/tf-controller/commit/98a0688036e9dbcf43fa84960d9a1ef3e09a69cf
github.com/weaveworks/tf-controller/issues/637
github.com/weaveworks/tf-controller/issues/649
github.com/weaveworks/tf-controller/security/advisories/GHSA-6hvv-j432-23cv
nvd.nist.gov/vuln/detail/CVE-2023-34236