CVE-2016-5418

high-risk
Published 2016-09-21

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.

Do I need to act?

~
5.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (16)

Affected Vendors

Libarchive Oracle Redhat

References (24)

Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1844.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1850.html
Exploit http://www.openwall.com/lists/oss-security/2016/08/09/2
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
http://www.securityfocus.com/bid/93165
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1852
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1853
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1362601
Exploit https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f
Patch https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb75...
Exploit https://github.com/libarchive/libarchive/issues/746
https://security.gentoo.org/glsa/201701-03
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1844.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1850.html
Exploit http://www.openwall.com/lists/oss-security/2016/08/09/2
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
http://www.securityfocus.com/bid/93165
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1852
Third Party Advisory https://access.redhat.com/errata/RHSA-2016:1853
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1362601
and 4 more references
52
/ 100
high-risk
Severity 26/34 · High
Exploitability 8/34 · Low
Exposure 18/34 · Moderate