CVE-2016-5418

Publication date 21 September 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.

Status

Package Ubuntu Release Status
libarchive 16.10 yakkety
Fixed 3.2.1-2ubuntu0.1
16.04 LTS xenial
Fixed 3.1.2-11ubuntu0.16.04.3
14.04 LTS trusty
Fixed 3.1.2-7ubuntu2.4
12.04 LTS precise
Fixed 3.0.3-6ubuntu1.4

Patch details

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

Package Patch details
libarchive

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-3225-1
    • libarchive vulnerabilities
    • 9 March 2017

Other references