CVE-2020-26213: NULL Pointer Dereference

May 24, 2021 (updated October 2, 2023)

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 does not 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.

References

github.com/advisories/GHSA-jhj6-5mh6-4pvf
github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e
github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf
nvd.nist.gov/vuln/detail/CVE-2020-26213

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