SUSE update for fetchmail

1) Improper Initialization

EUVDB-ID: #VU55426

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36386

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper initialization when logging error messages. A local user can trigger an error condition on the fetchmail side and gain access to sensitive information or perform a denial of service (DoS) attack.

Mitigation

Update the affected package fetchmail to the latest version.

Vulnerable software versions

SUSE OpenStack Cloud Crowbar: 9

SUSE Linux Enterprise Server for SAP: 12-SP3 - 12-SP4

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP5

SUSE OpenStack Cloud: 8 - 9

fetchmailconf: before 6.3.26-13.12.1

fetchmail-debugsource: before 6.3.26-13.12.1

fetchmail-debuginfo: before 6.3.26-13.12.1

fetchmail: before 6.3.26-13.12.1

External links

http://www.suse.com/support/update/announcement/2021/suse-su-20212771-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.