Use After Free Affecting dnf package, versions <0:4.2.7-6.el8
Snyk CVSS
Attack Complexity
High
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.55% (78th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-DNF-2018371
- published 26 Jul 2021
- disclosed 21 Jan 2019
Introduced: 21 Jan 2019
CVE-2019-3817 Open this link in a new tabHow to fix?
Upgrade Centos:8
dnf
to version 0:4.2.7-6.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dnf
package and not the dnf
package as distributed by Centos
.
See How to fix?
for Centos:8
relevant fixed versions and status.
A use-after-free flaw has been discovered in libcomps before version 0.1.10 in the way ObjMRTrees are merged. An attacker, who is able to make an application read a crafted comps XML file, may be able to crash the application or execute malicious code.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3817
- https://github.com/rpm-software-management/libcomps/commit/e3a5d056633677959ad924a51758876d415e7046
- https://github.com/rpm-software-management/libcomps/issues/41
- https://access.redhat.com/security/cve/CVE-2019-3817
- https://access.redhat.com/errata/RHSA-2019:3583