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CVE-2020-16121

Status Candidate

Overview

PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.

Related Files

Ubuntu Security Notice USN-4538-1
Posted Sep 24, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4538-1 - Vaisha Bernard discovered that PackageKit incorrectly handled certain methods. A local attacker could use this issue to learn the MIME type of any file on the system. Sami Niemimäki discovered that PackageKit incorrectly handled local deb packages. A local user could possibly use this issue to install untrusted packages, contrary to expectations.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2020-16121, CVE-2020-16122
SHA-256 | 0727ab6776e639630a5e5a5e7b10a7c0f2d23864de9dee99c279ad03b990ae7e
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