A vulnerability was found in ntp up to 4.2.8p13/4.3.99 (Network Management Software). It has been declared as problematic. This vulnerability affects some unknown processing of the component ntpd. The manipulation as part of a Source IP Address leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.

The weakness was released 04/17/2020. This vulnerability was named CVE-2020-11868 since 04/17/2020. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 4.2.8p14 or 4.3.100 eliminates this vulnerability.

Productinfo

Type

• Network Management Software

Name

• ntp

Version

• 4.2.8p13
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5
• 4.3.6
• 4.3.7
• 4.3.8
• 4.3.9
• 4.3.10
• 4.3.11
• 4.3.12
• 4.3.13
• 4.3.14
• 4.3.15
• 4.3.16
• 4.3.17
• 4.3.18
• 4.3.19
• 4.3.20
• 4.3.21
• 4.3.22
• 4.3.23
• 4.3.24
• 4.3.25
• 4.3.26
• 4.3.27
• 4.3.28
• 4.3.29
• 4.3.30
• 4.3.31
• 4.3.32
• 4.3.33
• 4.3.34
• 4.3.35
• 4.3.36
• 4.3.37
• 4.3.38
• 4.3.39
• 4.3.40
• 4.3.41
• 4.3.42
• 4.3.43
• 4.3.44
• 4.3.45
• 4.3.46
• 4.3.47
• 4.3.48
• 4.3.49
• 4.3.50
• 4.3.51
• 4.3.52
• 4.3.53
• 4.3.54
• 4.3.55
• 4.3.56
• 4.3.57
• 4.3.58
• 4.3.59
• 4.3.60
• 4.3.61
• 4.3.62
• 4.3.63
• 4.3.64
• 4.3.65
• 4.3.66
• 4.3.67
• 4.3.68
• 4.3.69
• 4.3.70
• 4.3.71
• 4.3.72
• 4.3.73
• 4.3.74
• 4.3.75
• 4.3.76
• 4.3.77
• 4.3.78
• 4.3.79
• 4.3.80
• 4.3.81
• 4.3.82
• 4.3.83
• 4.3.84
• 4.3.85
• 4.3.86
• 4.3.87
• 4.3.88
• 4.3.89
• 4.3.90
• 4.3.91
• 4.3.92
• 4.3.93
• 4.3.94
• 4.3.95
• 4.3.96
• 4.3.97
• 4.3.98
• 4.3.99

License

• open-source

CPE 2.3info

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CPE 2.2info

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