Is CVE-2018-1000877 actively exploited?

CVE-2018-1000877 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-1000877?

CVE-2018-1000877 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-1000877?

Patch guidance is available from libarchive security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-1000877.

Fix CVE-2018-1000877 - HIGH libarchive libarchive

Q: Which products are affected by CVE-2018-1000877?

13 products: libarchive libarchive, debian debian linux, debian debian linux, canonical ubuntu linux, canonical ubuntu linux, and 8 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-415

Metadata

Primary Vendor: LIBARCHIVE
Published: 12/20/2018
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

libarchive : libarchivedebian : debian_linuxdebian : debian_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxfedoraproject : fedorafedoraproject : fedorafedoraproject : fedoraredhat : enterprise_linux_desktopredhat : enterprise_linux_serverredhat : enterprise_linux_workstation

Remediation Guidance

Executive Summary

View on NIST NVD