CVE-2015-7977
medium
CVSS v3
5.9
CVSS v4 NEW
—
VIR risk
5.9
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.
Predictions
Exploit likelihood
69%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 23 | Affected | — |
| 22 | Affected | — |
FreeBSD Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.2 | Affected | — |
| 10.1 | Affected | — |
| 9.3 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 16.04 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 3 releases
| Version | Status | Fixed in |
|---|---|---|
| bullseye | Fixed | 1:4.2.8p7+dfsg-1 |
| 9.0 | Affected | — |
| 8.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| ntp | ntp | {"endIncluding":"4.2.8"} | |
| ntp | ntp | 4.2.8 | |
| netapp | clustered_data_ontap | - | |
| netapp | oncommand_balance | - | |
References
- https://www.suse.com/security/cve/CVE-2015-7977.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
- http://rhn.redhat.com/errata/RHSA-2016-0780.html
- http://rhn.redhat.com/errata/RHSA-2016-2583.html
- http://support.ntp.org/bin/view/Main/NtpBug2939
- http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
- http://www.debian.org/security/2016/dsa-3629
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securityfocus.com/bid/81815
- http://www.securitytracker.com/id/1034782
- http://www.ubuntu.com/usn/USN-3096-1
- https://bto.bluecoat.com/security-advisory/sa113
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
- https://security.gentoo.org/glsa/201607-15
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.