CVE-2015-7691
High
Description
The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted packets containing particular autokey operations. NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Ntp
PublishedAug 7, 2017
First seenAug 7, 2017
How to fix
Update
- ntp ntp4.2.8, 4.3.77 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ntp ntp | 4.2.0 ≤ v < 4.2.8, 4.3.0 ≤ v < 4.3.77, 4.2.8 | 4.2.8, 4.3.77 |
| oracle linux | 6 | — |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| netapp oncommand_performance_manager | No range specified | — |
| netapp oncommand_unified_manager | No range specified | — |
| netapp clustered_data_ontap | No range specified | — |
| netapp data_ontap | No range specified | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.3, 7.4, 7.6, 7.7 | — |
| redhat enterprise_linux_server_eus | 7.3, 7.4, 7.5, 7.6, 7.7 | — |
| redhat enterprise_linux_server_tus | 7.3, 7.6, 7.7 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
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