CVE-2015-7853

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Summary

CVECVE-2015-7853
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-08-07 20:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionThe datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-120 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Ntp Ntp All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
openSUSE-SU-2016:1423-1: moderate: Security update for ntp af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
1274262 – (CVE-2015-7853) CVE-2015-7853 ntp: reference clock memory corruption vulnerability af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2016:1912-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
support.ntp.org/bin/view/Main/NtpBug2920 af854a3a-2127-422b-91ae-364da2661108 support.ntp.org Patch, Vendor Advisory
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Multiple Vulnerabilities in ntpd Affecting Cisco Products - October 2015 af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com
Broadcom Support Portal af854a3a-2127-422b-91ae-364da2661108 bto.bluecoat.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
ntp Multiple Flaws Let Remote Users Deny Service, View Files, and Bypass Authentication to Modify the Time - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
[security-announce] SUSE-SU-2016:1311-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
NTP: Multiple vulnerabilities (GLSA 201607-15) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory, VDB Entry
USN-2783-1: NTP vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Cisco Talos - Vulnerability Reports af854a3a-2127-422b-91ae-364da2661108 www.talosintel.com
Slackware Security Advisory - ntp Updates ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com
October 2015 Network Time Protocol Daemon (ntpd) Vulnerabilities in Multiple NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
openSUSE-SU-2015:2016-1: moderate: Security update for ntp af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Network Time Protocol CVE-2015-7853 Local Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2016:2094-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
FreeBSD Security Advisory - ntp Authentication Bypass ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
[security-announce] SUSE-SU-2016:1247-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Siemens SIMATIC NET CP 443-1 OPC UA | CISA af854a3a-2127-422b-91ae-364da2661108 us-cert.cisa.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590349 Rockwell Automation Stratix 5900 Multiple Vulnerabilities (ICSA-17-094-04)
  • 590736 Siemens SIMATIC NET CP 443-1 OPC UA Multiple Vulnerabilities (ICSA-21-159-11)
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