Open vSwitch v2.7.0 OpenFlow Message lib/ofp-util.c ofputil_pull_ofp15_group_mod memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Open vSwitch v2.7.0. Affected is the function ofputil_pull_ofp15_group_mod in the library lib/ofp-util.c of the component OpenFlow Message Handler. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-9265. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Open vSwitch v2.7.0. This issue affects the function ofputil_pull_ofp15_group_mod in the library lib/ofp-util.c of the component OpenFlow Message Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-util.c` in the function `ofputil_pull_ofp15_group_mod`.

The bug was discovered 05/26/2017. The weakness was disclosed 05/29/2017 (Website). The advisory is shared at mail.openvswitch.org. The identification of this vulnerability is CVE-2017-9265 since 05/28/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

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 170259 (SUSE Enterprise Linux Security Update for openvswitch (SUSE-SU-2017:2212-1)).

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). The entry VDB-101835 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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-2017-9265 (🔍)
GCVE (CVE): GCVE-0-2017-9265
GCVE (VulDB): GCVE-100-101837
OSVDB: - CVE-2017-9265 - Open vSwitch - Buffer Over-Read Issue

See also: 🔍

Entryinfo

Created: 05/29/2017 10:15
Updated: 12/07/2022 13:53
Changes: 05/29/2017 10:15 (75), 10/03/2020 18:29 (5), 12/07/2022 13:53 (4)
Complete: 🔍
Cache ID: 216:A08:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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