NULL pointer dereference in Kitabisa Teler

CVE-2020-26213

In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn't get process ID and process group ID of teler properly to kills. The issue is patched in teler 0.0.1 and 0.0.1-dev5.1.

EPSS: 0.014 (69.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-26213?
CVE-2020-26213 is a medium-severity vulnerability in Kitabisa Teler, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2020-11-06.
How severe is CVE-2020-26213?
Medium severity. CVSS v3 base score is 5.9 out of 10.