Vulnerability Description
ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | <= 4.2.8 |
| Oracle | Linux | 6 |
| Siemens | Tim 4R-Ie Firmware | All versions |
| Siemens | Tim 4R-Ie | All versions |
| Siemens | Tim 4R-Ie Dnp3 Firmware | - |
| Siemens | Tim 4R-Ie Dnp3 | - |
| Netapp | Clustered Data Ontap | - |
| Netapp | Oncommand Balance | - |
| Freebsd | Freebsd | 9.3 |
| Fedoraproject | Fedora | 22 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.hThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.htThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.htmlBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.htmlBroken Link
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.htmlBroken Link
- http://rhn.redhat.com/errata/RHSA-2016-0780.htmlBroken Link
- http://rhn.redhat.com/errata/RHSA-2016-2583.htmlBroken Link
- http://support.ntp.org/bin/view/Main/NtpBug2939Vendor Advisory
- http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_SecurVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Third Party Advisory
FAQ
What is CVE-2015-7977?
CVE-2015-7977 is a vulnerability with a CVSS score of 5.9 (MEDIUM). ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service (NULL pointer dereference) via a ntpdc reslist command.
How severe is CVE-2015-7977?
CVE-2015-7977 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7977?
Check the references section above for vendor advisories and patch information. Affected products include: Ntp Ntp, Oracle Linux, Siemens Tim 4R-Ie Firmware, Siemens Tim 4R-Ie, Siemens Tim 4R-Ie Dnp3 Firmware.