CVE-2018-1000879: Null Pointer Dereference

Published Dec 20, 2018
·
Updated

libarchive version commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archiveacl.c, archiveaclfromtextl() that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted archive file.

Affected Software

5 affected components
Libarchive libarchive>=3.3.0<3.4.0
Fedoraproject Fedora=28
Fedoraproject Fedora=29
Fedoraproject Fedora=30
openSUSE Leap=15.0

Event History

Dec 20, 2018
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description

Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2018-1000879.

2

What is the severity of CVE-2018-1000879?

The severity of CVE-2018-1000879 is medium with a CVSS score of 6.5.

3

Which software versions are affected by CVE-2018-1000879?

libarchive versions commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) are affected by CVE-2018-1000879.

4

How does CVE-2018-1000879 vulnerability manifest?

CVE-2018-1000879 manifests as a NULL Pointer Dereference vulnerability in ACL parser in libarchive.

5

What is the recommended action for CVE-2018-1000879?

To mitigate the CVE-2018-1000879 vulnerability, users should update libarchive to version 3.4.0 or newer.

Contact

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