A vulnerability was found in AudioCodes 440HD and 450HD up to 3.1.2.89. It has been declared as critical. This vulnerability affects an unknown function of the component X.509 Certificate Validation. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

AudioCodes 440HD and 450HD devices 3.1.2.89 and earlier allows man-in-the-middle attackers to obtain sensitive credential information by leveraging failure to validate X.509 certificates when used with an on-premise installation with Skype for Business.

The bug was discovered 10/23/2018. The weakness was shared 10/24/2018 as not defined mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2018-18567 since 10/22/2018. 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 MITRE ATT&CK project declares the attack technique as T1587.003.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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.

Productinfo

Vendor

• AudioCodes

Name

• 440HD
• 450HD

Version

• 3.1.2.0
• 3.1.2.1
• 3.1.2.2
• 3.1.2.3
• 3.1.2.4
• 3.1.2.5
• 3.1.2.6
• 3.1.2.7
• 3.1.2.8
• 3.1.2.9
• 3.1.2.10
• 3.1.2.11
• 3.1.2.12
• 3.1.2.13
• 3.1.2.14
• 3.1.2.15
• 3.1.2.16
• 3.1.2.17
• 3.1.2.18
• 3.1.2.19
• 3.1.2.20
• 3.1.2.21
• 3.1.2.22
• 3.1.2.23
• 3.1.2.24
• 3.1.2.25
• 3.1.2.26
• 3.1.2.27
• 3.1.2.28
• 3.1.2.29
• 3.1.2.30
• 3.1.2.31
• 3.1.2.32
• 3.1.2.33
• 3.1.2.34
• 3.1.2.35
• 3.1.2.36
• 3.1.2.37
• 3.1.2.38
• 3.1.2.39
• 3.1.2.40
• 3.1.2.41
• 3.1.2.42
• 3.1.2.43
• 3.1.2.44
• 3.1.2.45
• 3.1.2.46
• 3.1.2.47
• 3.1.2.48
• 3.1.2.49
• 3.1.2.50
• 3.1.2.51
• 3.1.2.52
• 3.1.2.53
• 3.1.2.54
• 3.1.2.55
• 3.1.2.56
• 3.1.2.57
• 3.1.2.58
• 3.1.2.59
• 3.1.2.60
• 3.1.2.61
• 3.1.2.62
• 3.1.2.63
• 3.1.2.64
• 3.1.2.65
• 3.1.2.66
• 3.1.2.67
• 3.1.2.68
• 3.1.2.69
• 3.1.2.70
• 3.1.2.71
• 3.1.2.72
• 3.1.2.73
• 3.1.2.74
• 3.1.2.75
• 3.1.2.76
• 3.1.2.77
• 3.1.2.78
• 3.1.2.79
• 3.1.2.80
• 3.1.2.81
• 3.1.2.82
• 3.1.2.83
• 3.1.2.84
• 3.1.2.85
• 3.1.2.86
• 3.1.2.87
• 3.1.2.88
• 3.1.2.89

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