CVE-2018-1000880

Publication date 20 December 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. This attack appear to be exploitable via the victim must open a specially crafted WARC file.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libarchive	18.10 cosmic	Fixed 3.2.2-5ubuntu0.1
	18.04 LTS bionic	Fixed 3.2.2-3.1ubuntu0.2
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libarchive	Upstream: https://github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70b5f8168b5680

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3859-1
libarchive vulnerabilities
15 January 2019