Vulnerability Report

CVE-2017-7543

Title: Openstack Neutron Path Traversal / LFI

Path Traversal / LFI

Proof Of Concept

No public PoC currently indexed for CVE-2017-7543.

CWE Category CWE-362
Published Date Jul 26, 2018
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.3 CVSS v3.0
Exploit Probability (EPSS)
1.85%

Vulnerability Summary

CVE-2017-7543: A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources.

Impacted Vendors

R
redhat 1
O
openstack 2

Reference Links

http://www.securityfocus.com/bid/100237 https://access.redhat.com/errata/RHSA-2017:2447 https://access.redhat.com/errata/RHSA-2017:2448 https://access.redhat.com/errata/RHSA-2017:2449 https://access.redhat.com/errata/RHSA-2017:2450 https://access.redhat.com/errata/RHSA-2017:2451 https://access.redhat.com/errata/RHSA-2017:2452 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543 http://www.securityfocus.com/bid/100237 https://access.redhat.com/errata/RHSA-2017:2447 https://access.redhat.com/errata/RHSA-2017:2448 https://access.redhat.com/errata/RHSA-2017:2449 https://access.redhat.com/errata/RHSA-2017:2450 https://access.redhat.com/errata/RHSA-2017:2451 https://access.redhat.com/errata/RHSA-2017:2452 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-7543 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.