PT-2015-7690 · Ntf+7 · Ntp+8

Stephen Gray · Published 2015-12-31 · Updated 2024-06-15 · CVE-2015-7978

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions NTP versions prior to 4.2.8p6 NTP versions 4.3.0 prior to 4.3.90

Description The issue allows remote attackers to cause a denial of service, specifically stack exhaustion, by sending an ntpdc relist command. This command triggers recursive traversal of the restriction list.

Recommendations For NTP versions prior to 4.2.8p6, update to version 4.2.8p6 or later to resolve the issue. For NTP versions 4.3.0 prior to 4.3.90, update to version 4.3.90 or later to resolve the issue.

Exploit

Fix

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

ALT-PU-2017-2335

CESA-2016_0780

CESA-2016_2583

CVE-2015-7978

DLA-559-1

DSA-3629-1

MGASA-2016-0039

OPENSUSE-SU-2016_1292-1

OPENSUSE-SU-2024:10181-1

RHSA-2016:0780

RHSA-2016:2583

RHSA-2016_0780

RHSA-2016_2583

SUSE-SU-2016:1175-1

SUSE-SU-2016:1177-1

SUSE-SU-2016:1247-1

SUSE-SU-2016:1311-1

USN-3096-1

Affected Products

Alt Linux

Centos

Cisco Ios Xr

Cisco Nexus

Freebsd

Ntp

Red Hat

Suse

Ubuntu

References · 299

• 🔥 https://github.com/opsxcq/exploit-CVE-2016-7434 · Exploit
• https://bdu.fstec.ru/vul/2017-02017 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2516 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5194 · Security Note
• https://security-tracker.debian.org/tracker/source-package/ntp · Vendor Advisory
• https://ubuntu.com/security/CVE-2015-7974 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4953 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7703 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7702 · Security Note
• https://bdu.fstec.ru/vul/2017-02039 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7705 · Security Note
• https://osv.dev/vulnerability/USN-3096-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7979 · Security Note
• http://rhn.redhat.com/errata/RHSA-2016-2583.html · Vendor Advisory