VDB-94485 · CVE-2016-9032 · BID 94923

Joyent SmartOS 20161110T013148Z Hyprlofs nm memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Joyent SmartOS 20161110T013148Z. The affected element is an unknown function of the component Hyprlofs. Performing a manipulation of the argument nm results in memory corruption. This vulnerability is known as CVE-2016-9032. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Joyent SmartOS 20161110T013148Z (Operating System). This affects some unknown processing of the component Hyprlofs. The manipulation of the argument nm with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An exploitable buffer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. The vulnerability is present in the Ioctl system call with the command HYPRLOFS_ADD_ENTRIES when dealing with native file systems. An attacker can craft an input that can cause a buffer overflow in the nm variable leading to an out of bounds memory access and could result in potential privilege escalation. This vulnerability is distinct from CVE-2016-9034.

The bug was discovered 12/12/2016. The weakness was published 12/14/2016 by Tyler Bohan (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-9032 since 10/26/2016. The exploitability is told to be easy. An attack has to be approached locally. Required for exploitation is a authentication. Technical details are known, but no exploit is 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 $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94923†). Similar entries are available at VDB-94488, VDB-94487, VDB-94486 and VDB-94484. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CNA Base Score: 7.0
CNA Vector (Talos): 🔍

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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/26/2016 🔍
12/12/2016 +47 days 🔍
12/12/2016 +0 days 🔍
12/14/2016 +2 days 🔍
12/14/2016 +0 days 🔍
12/15/2016 +1 days 🔍
10/08/2022 +2123 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Tyler Bohan
Status: Not defined

CVE: CVE-2016-9032 (🔍)
GCVE (CVE): GCVE-0-2016-9032
GCVE (VulDB): GCVE-100-94485
SecurityFocus: 94923 - Joyent SmartOS CVE-2016-9032 Local Stack Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 12/15/2016 10:30
Updated: 10/08/2022 15:31
Changes: 12/15/2016 10:30 (60), 07/07/2019 20:47 (5), 10/08/2022 15:31 (13)
Complete: 🔍
Cache ID: 216::103

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

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