Vulnerability Monitor

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CVE-2019-1000020

libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 8 products from libarchive, from canonical, from debian and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-02-04T21:29:01.457

Last Modified

2024-11-21T04:17:41.660

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-835

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libarchive	libarchive	< 3.4.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	canonical	ubuntu_linux	18.10	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	fedoraproject	fedora	29	Yes
Operating System	opensuse	leap	15.0	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html ([email protected])
https://access.redhat.com/errata/RHSA-2019:2298 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2019:3698 ([email protected])
https://github.com/libarchive/libarchive/pull/1120 Third Party Advisory ([email protected])
https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423 Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/ ([email protected])
https://usn.ubuntu.com/3884-1/ Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:2298 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2019:3698 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libarchive/libarchive/pull/1120 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libarchive/libarchive/pull/1120/commits/8312eaa576014cd9b965012af51bc1f967b12423 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/ (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3884-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For libarchive's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.