Mitel MiVoice 5330e SIP/SDP Packet memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Mitel MiVoice 5330e. Affected by this vulnerability is an unknown functionality of the component SIP/SDP Packet Handler. Executing a manipulation as part of Packet can lead to memory corruption. The identification of this vulnerability is CVE-2018-15497. The attack may be launched remotely. There is no exploit available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability classified as critical was found in Mitel MiVoice 5330e (the affected version unknown). This vulnerability affects an unknown part of the component SIP/SDP Packet Handler. The manipulation as part of a Packet 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:

The Mitel MiVoice 5330e VoIP device is affected by memory corruption flaws in the SIP/SDP packet handling functionality. An attacker can exploit this issue remotely, by sending a particular pattern of SIP/SDP packets, to cause a denial of service state in the affected devices and probably remote code execution.

The bug was discovered 09/25/2018. The weakness was shared 10/23/2018 (Website). The advisory is shared for download at mitel.com. This vulnerability was named CVE-2018-15497 since 08/17/2018. The attack can be initiated remotely. No form of authentication is required for a successful 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 28 days. During that time the estimated underground price was around $0-$5k.

Proper firewalling of is able to address this issue.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

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: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2018 🔍
09/25/2018 +39 days 🔍
10/23/2018 +27 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +1 days 🔍
04/06/2020 +530 days 🔍

Sourcesinfo

Advisory: mitel.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15497 (🔍)
GCVE (CVE): GCVE-0-2018-15497
GCVE (VulDB): GCVE-100-125884

Entryinfo

Created: 10/24/2018 08:15
Updated: 04/06/2020 09:33
Changes: 10/24/2018 08:15 (57), 04/06/2020 09:33 (2)
Complete: 🔍
Cache ID: 216::103

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