OpenSUSE Linux update for exim

1) UNIX symbolic link following

EUVDB-ID: #VU26755

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8015

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue within the packaging of exim in openSUSE. A local user can create a specially crafted symbolic link to a critical file on the system and escalate privileges from mail to root.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.1

External links

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00010.html

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.