CVE-2019-11480: Ubuntu kernel snap build process could use unauthenticated sources

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-04-14 · updated 2026-06-17
Weakness: CWE-353

Description

The pc-kernel snap build process hardcoded the --allow-insecure-repositories and --allow-unauthenticated apt options when creating the build chroot environment. This could allow an attacker who is able to perform a MITM attack between the build environment and the Ubuntu archive to install a malicious package within the build chroot. This issue affects pc-kernel versions prior to and including 2019-07-16

Affected products

Canonical pc-kernel: through 2019-07-16

References

https://bugs.launchpad.net/bugs/1836041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11480
https://bugs.launchpad.net/bugs/1836041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11480

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