What’s Vulnerable › Vulnerabilities

CVE-2018-1106

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-04-23 · updated 2026-06-17
• Weakness: CWE-287

Description

An authentication bypass flaw has been found in PackageKit before 1.1.10 that allows users without administrator privileges to install signed packages. A local attacker can use this vulnerability to install vulnerable packages to further compromise a system.

Affected products

• Canonical Ubuntu Linux: 17.10
• Debian Linux: 9.0
• PackageKit: before 1.1.10 — fixed in 1.1.10
• RedHat Enterprise Linux Desktop: 7.0
• RedHat Enterprise Linux Server: 7.0
• RedHat Enterprise Linux Server Aus: 7.6
• RedHat Enterprise Linux Server Eus: 7.5, 7.6
• RedHat Enterprise Linux Server Tus: 7.6
• RedHat Enterprise Linux Workstation: 7.0

How to fix

Upgrade to a fixed version: PackageKit 1.1.10. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2018/04/23/3
• https://access.redhat.com/errata/RHSA-2018:1224
• https://bugzilla.redhat.com/show_bug.cgi?id=1565992
• https://usn.ubuntu.com/3634-1/
• https://www.debian.org/security/2018/dsa-4207
• http://www.openwall.com/lists/oss-security/2018/04/23/3
• https://access.redhat.com/errata/RHSA-2018:1224
• https://bugzilla.redhat.com/show_bug.cgi?id=1565992
• https://usn.ubuntu.com/3634-1/
• https://www.debian.org/security/2018/dsa-4207

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