Open vSwitch 2.7.0 OpenFlow Role Status Message Parser lib/ofp-print.c ofp_print_role_status_message input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Open vSwitch 2.7.0. This affects the function ofp_print_role_status_message in the library lib/ofp-print.c of the component OpenFlow Role Status Message Parser. Performing a manipulation results in input validation. This vulnerability is known as CVE-2017-9263. Access to the local network is required for this attack. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Open vSwitch 2.7.0. This affects the function ofp_print_role_status_message in the library lib/ofp-print.c of the component OpenFlow Role Status Message Parser. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

In Open vSwitch (OvS) 2.7.0, while parsing an OpenFlow role status message, there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.

The bug was discovered 05/26/2017. The weakness was published 05/29/2017 (Website). It is possible to read the advisory at mail.openvswitch.org. This vulnerability is uniquely identified as CVE-2017-9263 since 05/28/2017. The exploitability is told to be easy. Access to the local network is required for this attack to succeed. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 102811 (openSUSE Security Update : openvswitch (openSUSE-2017-973)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236492 (Red Hat Update for openvswitch (RHSA-2017:2698)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (102811). Similar entry is available at VDB-101837. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102811
Nessus Name: openSUSE Security Update : openvswitch (openSUSE-2017-973)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for openvswitch FEDORA-2017-45625fecca
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

05/26/2017 🔍
05/28/2017 +2 days 🔍
05/29/2017 +1 days 🔍
05/29/2017 +0 days 🔍
05/29/2017 +0 days 🔍
08/28/2017 +91 days 🔍
08/29/2017 +1 days 🔍
12/07/2022 +1926 days 🔍

Sourcesinfo

Advisory: RHSA-2017:2418
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9263 (🔍)
GCVE (CVE): GCVE-0-2017-9263
GCVE (VulDB): GCVE-100-101835
OSVDB: - CVE-2017-9263 - Open vSwitch - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 05/29/2017 10:14
Updated: 12/07/2022 13:34
Changes: 05/29/2017 10:14 (74), 10/03/2020 18:17 (5), 12/07/2022 13:34 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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