CVE-2016-5418

MEDIUM

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.

References

http://rhn.redhat.com/errata/RHSA-2016-1844.html

http://rhn.redhat.com/errata/RHSA-2016-1850.html

http://www.openwall.com/lists/oss-security/2016/08/09/2

http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

http://www.securityfocus.com/bid/93165

https://access.redhat.com/errata/RHSA-2016:1852

https://access.redhat.com/errata/RHSA-2016:1853

https://bugzilla.redhat.com/show_bug.cgi?id=1362601

https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f

https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9

https://github.com/libarchive/libarchive/issues/746

https://security.gentoo.org/glsa/201701-03

Details

Source: MITRE

Published: 2016-09-21

Updated: 2017-07-01

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH