CVE-2015-7850
MEDIUMCVSS 6.5/10EPSS 4.97%
Last modified
CVE-2015-7850 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.. EPSS estimates a 4.97% chance of exploitation in the next 30 days.
Description
ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | >= 4.2.0, < 4.2.8 |
| Ntp | Ntp | >= 4.3.0, < 4.3.77 |
| Ntp | Ntp | 4.2.8 |
| Debian | Debian Linux | 7.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Netapp | Oncommand Balance | All versions |
| Netapp | Oncommand Performance Manager | All versions |
| Netapp | Oncommand Unified Manager | All versions |
| Netapp | Clustered Data Ontap | All versions |
| Netapp | Data Ontap | All versions |
References
- http://support.ntp.org/bin/view/Main/NtpBug2917Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.securityfocus.com/bid/77279Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1274258Issue Tracking, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
- http://support.ntp.org/bin/view/Main/NtpBug2917Patch, Vendor Advisory
- http://www.debian.org/security/2015/dsa-3388Third Party Advisory
- http://www.securityfocus.com/bid/77279Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1033951Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1274258Issue Tracking, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/201607-15Third Party Advisory, VDB Entry
- https://security.netapp.com/advisory/ntap-20171004-0001/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-7850?
ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.
How severe is CVE-2015-7850?
CVE-2015-7850 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 4.97% probability of exploitation in the next 30 days.
How do I fix CVE-2015-7850?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-7850?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST