CVE Vulnerabilities

CVE-2020-26213

NULL Pointer Dereference

Published: Nov 06, 2020 | Modified: Nov 17, 2020
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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 doesnt 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.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Teler Teler_project * 0.0.1 (excluding)

Potential Mitigations

References