VulnerabilityModified
CVE-2016-5418
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.
HIGH 7.5EPSS 4.71%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 4.71% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-19, CWE-20
- Affected
- redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux server · redhat/enterprise linux workstation · oracle/linux · redhat/openshift · libarchive/libarchive · redhat/enterprise linux hpc node eus · redhat/enterprise linux server aus · redhat/enterprise linux server eus
- Source
- secalert@redhat.com
References
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/09/2Exploit, Technical Description
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.securityfocus.com/bid/93165
- https://access.redhat.com/errata/RHSA-2016:1852Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1853Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1362601Issue Tracking, Third Party Advisory, VDB Entry
- https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4fExploit, Technical Description
- https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9Patch
- https://github.com/libarchive/libarchive/issues/746Exploit, Patch
- https://security.gentoo.org/glsa/201701-03
- http://rhn.redhat.com/errata/RHSA-2016-1844.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1850.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/09/2Exploit, Technical Description
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
- http://www.securityfocus.com/bid/93165
- https://access.redhat.com/errata/RHSA-2016:1852Third Party Advisory
- https://access.redhat.com/errata/RHSA-2016:1853Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1362601Issue Tracking, Third Party Advisory, VDB Entry
- https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4fExploit, Technical Description
- https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9Patch
- https://github.com/libarchive/libarchive/issues/746Exploit, Patch
- https://security.gentoo.org/glsa/201701-03
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.