Vulnerability Details : 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.
Products affected by CVE-2023-1786
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:22.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:22.10:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:23.04:*:*:*:*:*:*:*
- cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-1786
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-1786
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
Canonical Ltd. |
CWE ids for CVE-2023-1786
-
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.Assigned by:
- nvd@nist.gov (Primary)
- security@ubuntu.com (Secondary)
References for CVE-2023-1786
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ATBJSXPL2IOAD2LDQRKWPLIC7QXS44GZ/
[SECURITY] Fedora 38 Update: cloud-init-23.1.2-1.fc38 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://bugs.launchpad.net/cloud-init/+bug/2013967
Bug #2013967 “cloud-init leaks credentials " : Bugs : cloud-initIssue Tracking
-
https://ubuntu.com/security/notices/USN-6042-1
USN-6042-1: Cloud-init vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://github.com/canonical/cloud-init/commit/a378b7e4f47375458651c0972e7cd813f6fe0a6b
Make user/vendor data sensitive and remove log permissions (#2144) · canonical/cloud-init@a378b7e · GitHubPatch
Jump to