VDB-108238 · CVE-2016-7431 · BID 94454

Oracle M10-1/M10-4/M10-4S/M12-1/M12-2/M12-2S XCP Firmware input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability has been found in Oracle M10-1, M10-4, M10-4S, M12-1, M12-2 and M12-2S and classified as problematic. This vulnerability affects an unknown code of the component XCP Firmware. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.

The bug was discovered 11/21/2016. The weakness was presented 10/19/2017 with Boston University as Oracle Critical Patch Update Advisory - October 2017 as confirmed advisory (Website). The advisory is available at oracle.com. This vulnerability was named CVE-2016-7431 since 09/09/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 95265 (FreeBSD : ntp -- multiple vulnerabilities (8db8d62a-b08b-11e6-8eba-d050996490d0)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371402 (Cisco UCS 6200 Series Fabric Interconnects Multiple Vulnerabilities in Network Time Protocol Daemon (CSCvc23476)).

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

The vulnerability is also documented in the vulnerability database at Tenable (95265). See 93745, 95317, 95318 and 95319 for similar entries.

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CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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Vendor Base Score (Oracle): 5.3
Vendor Vector (Oracle): 🔍

NVD Base Score: 5.3
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CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 95265
Nessus Name: FreeBSD : ntp -- multiple vulnerabilities (8db8d62a-b08b-11e6-8eba-d050996490d0)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 800407
OpenVAS Name: NTP.org ntp Zero Origin Timestamp Regression Vulnerability
OpenVAS File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Timelineinfo

09/09/2016 🔍
11/21/2016 +73 days 🔍
11/21/2016 +0 days 🔍
11/23/2016 +2 days 🔍
01/13/2017 +51 days 🔍
10/19/2017 +279 days 🔍
10/19/2017 +0 days 🔍
10/19/2017 +0 days 🔍
01/19/2021 +1188 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2017
Organization: Boston University
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7431 (🔍)
OVAL: 🔍

SecurityTracker: 1037354
SecurityFocus: 94454 - NTP CVE-2016-7431 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 10/20/2017 00:02
Updated: 01/19/2021 07:32
Changes: 10/20/2017 00:02 (89), 11/28/2019 09:39 (2), 01/19/2021 07:32 (2)
Complete: 🔍

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