CVE-2019-11480

Ubuntu kernel snap build process could use unauthenticated sources

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

El proceso de compilación instantánea de pc-kernel embebió las opciones apt --allow-insecure-repositories y --allow-unauthenticated cuando se crea el entorno chroot de compilación. Esto podría permitir a un atacante, que sea capaz de realizar un ataque de tipo MITM entre el entorno de compilación y el archivo de Ubuntu, instalar un paquete malicioso dentro del chroot de compilación. Este problema afecta al pc-kernel versiones anteriores e incluyendo a la 2019-07-16.

*Credits: Sachi King

CVSS Scores

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-04-23 CVE Reserved
2020-04-14 CVE Published
2024-09-16 CVE Updated
2024-09-16 First Exploit
2024-09-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-345: Insufficient Verification of Data Authenticity
CWE-353: Missing Support for Integrity Check

CAPEC

References (2)

URL	Tag	Source
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11480	Third Party Advisory

URL	Date	SRC
https://bugs.launchpad.net/bugs/1836041	2024-09-16

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Canonical Search vendor "Canonical"		C-kernel Search vendor "Canonical" for product "C-kernel"				<= 2019-07-16 Search vendor "Canonical" for product "C-kernel" and version " <= 2019-07-16"		-		Affected