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CVE-2014-0022

Status Candidate

Overview

The installUpdates function in yum-cron/yum-cron.py in yum 3.4.3 and earlier does not properly check the return value of the sigCheckPkg function, which allows remote attackers to bypass the RMP package signing restriction via an unsigned package.

Related Files

Red Hat Security Advisory 2014-1004-01
Posted Aug 5, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1004-01 - The yum-updatesd package provides a daemon which checks for available updates and can notify you when they are available via email, syslog, or dbus. It was discovered that yum-updatesd did not properly perform RPM package signature checks. When yum-updatesd was configured to automatically install updates, a remote attacker could use this flaw to install a malicious update on the target system using an unsigned RPM or an RPM signed with an untrusted key. All yum-updatesd users are advised to upgrade to this updated package, which contains a backported patch to correct this issue. After installing this update, the yum-updatesd service will be restarted automatically.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2014-0022
SHA-256 | ec8a17bf89ea6a89674dde7563f016ec7cbf92c2d068f45ce3c2e5528b449282
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