Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-3326 |
CWE-ID | CWE-287 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
FreeBSD Operating systems & Components / Operating system |
Vendor | FreeBSD Foundation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU77582
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-3326
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in pam_krb5 module. A remote attacker with ability to control password and KDC responses can return a valid TGT ticket and bypass authentication process.
Successful exploitation of the vulnerability requires a non-default FreeBSD installation that leverages pam_krb5 for authentication and does not have a keytab provisioned.
Install updates from vendor's website.
Vulnerable software versionsFreeBSD: 12.4 - 13.2
External linkshttp://www.freebsd.org/security/advisories/FreeBSD-SA-23:04.pam_krb5.asc
FreeBSD-SA-23:09.pam_krb5.asc
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.