Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2018-1000877

8.8 · HIGH

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415: Double Free vulnerability in RAR decoder - libarchive/archive_read_support_fo…

Published Dec 20, 2018CWE-415EPSS 4.58%

Overview

CVE-2018-1000877 is a high-severity vulnerability. It was published on December 20, 2018 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415: Double Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0 that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2019-04/msg00055.htmlReflists.opensuse.org/opensuse-security-announce/2019-12/msg00012.htmlReflists.opensuse.org/opensuse-security-announce/2019-12/msg00015.htmlRefwww.securityfocus.com/bid/106324Refaccess.redhat.com/errata/RHSA-2019:2298Refaccess.redhat.com/errata/RHSA-2019:3698Refbugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909GitHubgithub.com/libarchive/libarchive/pull/1105GitHubgithub.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31Reflists.debian.org/debian-lts-announce/2018/12/msg00011.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-1000877?

CVE-2018-1000877 is a high-severity vulnerability. It was published on December 20, 2018 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2018-1000877?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-1000877?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-1000877?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-1000877 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2018

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999