CVE-2018-1000878

Description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.76% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/3859-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html third party advisory mailing list
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 third party advisory patch
https://www.debian.org/security/2018/dsa-4360 third party advisory vendor advisory
https://github.com/libarchive/libarchive/pull/1105 third party advisory
http://www.securityfocus.com/bid/106324 vdb entry third party advisory
https://github.com/libarchive/libarchive/pull/1105/commits/bfcfe6f04ed20db2504db8a254d1f40a1d84eb28 third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html mailing list third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:2298 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3698 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-1000878?
CVE-2018-1000878 has been scored as a high severity vulnerability.
How to fix CVE-2018-1000878?
To fix CVE-2018-1000878, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-1000878 being actively exploited in the wild?
It is possible that CVE-2018-1000878 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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