National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2015-5313 Detail

Description

Directory traversal vulnerability in the virStorageBackendFileSystemVolCreate function in storage/storage_backend_fs.c in libvirt, when fine-grained Access Control Lists (ACL) are in effect, allows local users with storage_vol:create ACL but not domain:write permission to write to arbitrary files via a .. (dot dot) in a volume name.

Source:  MITRE
Description Last Modified:  04/11/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 2.5 LOW
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 1.0

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://libvirt.org/git/?p=libvirt.git;a=commit;h=034e47c338b13a95cf02106a3af912c1c5f818d7
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174404.html
http://rhn.redhat.com/errata/RHSA-2016-2577.html
http://security.libvirt.org/2015/0004.html Patch Vendor Advisory
http://www.securityfocus.com/bid/90913
https://security.gentoo.org/glsa/201612-10
https://www.redhat.com/archives/libvir-list/2015-December/msg00473.html

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:redhat:libvirt:-:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-5313
NVD Published Date:
04/11/2016
NVD Last Modified:
01/04/2018