Mitel 6800/6900 up to 5.1.0.2051 SP2 SRTP Key cleartext transmission

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Mitel 6800 and 6900 up to 5.1.0.2051 SP2. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component SRTP Key Handler. This manipulation causes cleartext transmission. The identification of this vulnerability is CVE-2019-18863. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Mitel 6800 and 6900 up to 5.1.0.2051 SP2 and classified as problematic. Affected by this vulnerability is an unknown code block of the component SRTP Key Handler. The manipulation with an unknown input leads to a cleartext transmission vulnerability. The CWE definition for the vulnerability is CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. As an impact it is known to affect confidentiality. The summary by CVE is:

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.

The weakness was shared 03/02/2020 (Website). It is possible to read the advisory at mitel.com. This vulnerability is known as CVE-2019-18863 since 11/11/2019. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
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: Cleartext transmission
CWE: CWE-319 / CWE-310
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/11/2019 🔍
03/02/2020 +112 days 🔍
03/03/2020 +1 days 🔍
03/03/2020 +0 days 🔍

Sourcesinfo

Advisory: mitel.com
Status: Not defined

CVE: CVE-2019-18863 (🔍)
GCVE (CVE): GCVE-0-2019-18863
GCVE (VulDB): GCVE-100-150799

Entryinfo

Created: 03/03/2020 10:24
Updated: 03/03/2020 10:29
Changes: 03/03/2020 10:24 (38), 03/03/2020 10:29 (17)
Complete: 🔍
Cache ID: 216::103

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