CVE-2019-3693 Local privilege escalation from user wwwrun to root in the packaging of mailman

What is CVE-2019-3693?

CVE-2019-3693 is a high-severity path traversal vulnerability in Opensuse Backports Sle, published on 24 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A symlink following vulnerability in the packaging of mailman in SUSE Linux Enterprise Server 11, SUSE Linux Enterprise Server 12; openSUSE Leap 15.1 allowed local attackers to escalate their privileges from user wwwrun to root. Additionally arbitrary files could be changed to group mailman. This issue affects: SUSE Linux Enterprise Server 11 mailman versions prior to 2.1.15-9.6.15.1. SUSE Linux Enterprise Server 12 mailman versions prior to 2.1.17-3.11.1. openSUSE Leap 15.1 mailman version 2.1.29-lp151.2.14 and prior versions.

Weakness: CWE-59

Which versions are affected by CVE-2019-3693?

It affects 2 products.

Products include Opensuse Backports Sle, Suse Mailman.

How do I fix CVE-2019-3693?

Apply the vendor's patch.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2019-3693 being exploited?

There is no known exploitation of CVE-2019-3693 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Backports Sle

• CVE-2020-12641 Roundcube Webmail Remote Code Execution Exploited Critical 9.8
• CVE-2020-12640 Path traversal in n/a Critical 9.8
• CVE-2020-8233 Command injection in EdgeSwitch firmware v1.9.0 and prior High 8.8
• CVE-2020-8026 inn: non-root owned files High 8.4
• CVE-2020-15229 Path traversal and files overwrite with unsquashfs High 8.2

All Opensuse Backports Sle vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mjp9-97x3-23vj, SUSE-SU-2019:14230-1, SUSE-SU-2019:3076-1, openSUSE-SU-2020:0148-1, openSUSE-SU-2020:0156-1.