CVE-2019-18898 trousers: Local privilege escalation from tss to root

What is CVE-2019-18898?

CVE-2019-18898 is a high-severity vulnerability in Opensuse Leap, published on 23 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

UNIX Symbolic Link (Symlink) Following vulnerability in the trousers package of SUSE Linux Enterprise Server 15 SP1; openSUSE Factory allowed local attackers escalate privileges from user tss to root. This issue affects: SUSE Linux Enterprise Server 15 SP1 trousers versions prior to 0.3.14-6.3.1. openSUSE Factory trousers versions prior to 0.3.14-7.1.

Weakness: CWE-59

Which versions are affected by CVE-2019-18898?

It affects 2 products.

Products include Opensuse Leap, Suse Trousers.

How do I fix CVE-2019-18898?

Apply the vendor's patch.

Is CVE-2019-18898 being exploited?

There is no known exploitation of CVE-2019-18898 in the wild and no public exploit code.

Other vulnerabilities in Opensuse Leap

• CVE-2015-4902 Oracle Java SE Integrity Check Exploited Medium 5.3
• CVE-2017-14804 package builds could use directory traversal to write outside of target area Critical 9.9
• CVE-2019-20787 Teeworlds before 0.7.4 has an integer overflow when computing a tilemap size. Critical 9.8
• CVE-2019-8341 Code injection in n/a Critical 9.8
• CVE-2019-6438 Other in n/a Critical 9.8

All Opensuse Leap vulnerabilities

Sources

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

Also known as GHSA-w5w4-523j-qm3v, SUSE-SU-2019:3349-1, openSUSE-SU-2020:0015-1, openSUSE-SU-2020:0744-1.