sensitive data exposure in cloud-init logs
CVE-2023-1786

5.5MEDIUM

Key Information:

Vendor

Canonical Ltd.

Status
Cloud-init
Vendor
CVE Published:
26 April 2023

What is CVE-2023-1786?

Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.

Affected Version(s)

cloud-init Linux 0 < 23.1.2

References

https://github.com/canonical/cloud-init/commit/a378b7e4f4...
patch
https://bugs.launchpad.net/cloud-init/+bug/2013967
issue-tracking
https://ubuntu.com/security/notices/USN-6042-1
vendor-advisory

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

James Golovich
.
CVE-2023-1786 : sensitive data exposure in cloud-init logs