Extreme Networks ExtremeWireless WiNG up to 5.8.6.8/5.9.1.2 CLI Command memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Extreme Networks ExtremeWireless WiNG up to 5.8.6.8/5.9.1.2 and classified as critical. Affected by this vulnerability is an unknown functionality of the component CLI Command Handler. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2018-5796. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Extreme Networks ExtremeWireless WiNG up to 5.8.6.8/5.9.1.2. This vulnerability affects an unknown code of the component CLI Command Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Extreme Networks ExtremeWireless WiNG 5.x before 5.8.6.9 and 5.9.x before 5.9.1.3. There is a Hidden Root Shell by entering the administrator password in conjunction with the 'service start-shell' CLI command.

The bug was discovered 01/19/2018. The weakness was released 02/05/2018 (Website). The advisory is shared for download at gtacknowledge.extremenetworks.com. This vulnerability was named CVE-2018-5796 since 01/19/2018. The attack can be initiated remotely. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.8.6.9 or 5.9.1.3 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-112807, VDB-112808, VDB-112809 and VDB-112810. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Networks ExtremeWireless WiNG 5.8.6.9/5.9.1.3

Timelineinfo

01/19/2018 🔍
01/19/2018 +0 days 🔍
02/04/2018 +16 days 🔍
02/05/2018 +1 days 🔍
02/05/2018 +0 days 🔍
01/01/2020 +695 days 🔍

Sourcesinfo

Advisory: gtacknowledge.extremenetworks.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5796 (🔍)
GCVE (CVE): GCVE-0-2018-5796
GCVE (VulDB): GCVE-100-112816
See also: 🔍

Entryinfo

Created: 02/05/2018 14:59
Updated: 01/01/2020 15:39
Changes: 02/05/2018 14:59 (60), 01/01/2020 15:39 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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