NULL pointer dereference in Freebsd
CVE-2015-7977
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.
EPSS: 0.164 (95.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Freebsd — versions 9.3, 10.1, 10.2
- Netapp Clustered_data_ontap
- Netapp Oncommand_balance
- Ntp — versions 4.2.8
- Oracle Linux — versions 6
- Siemens Tim_4r-ie
- Siemens Tim_4r-ie_dnp3
- Siemens Tim_4r-ie_dnp3_firmware
- Siemens Tim_4r-ie_firmware
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CISCO, vendor-advisory, Third Party Advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Broken Link, x_refsource_SUSE)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (vendor-advisory, Broken Link, x_refsource_SUSE)
- cve@mitre.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2015-7977?
- CVE-2015-7977 is a medium-severity vulnerability in Freebsd, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2017-01-30.
- How severe is CVE-2015-7977?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2015-7977 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.