PT-2015-7640 · Cisco+2 · Cisco Nexus+3

Published 2015-10-21 · Updated 2025-04-20 · CVE-2015-7848

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-dev version 4.3.70 Cisco Nexus (affected versions not specified)

Description An integer overflow can occur when processing a specially crafted private mode packet with the correct message authentication code and a valid timestamp, leading to an out-of-bounds memory copy operation and causing the NTP daemon to crash immediately.

Recommendations For NTP-dev version 4.3.70, consider disabling the processing of private mode packets until a patch is available. For Cisco Nexus, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2015-7848

OPENSUSE-SU-2024:10181-1

SUSE-SU-2015:2058-1

SUSE-SU-2016:1247-1

SUSE-SU-2016:1311-1

Affected Products

Cisco Ios Xe

Cisco Nexus

Ntp-Dev

Suse

References · 118

• 🔥 http://talosintelligence.com/reports/TALOS-2015-0052 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2016:1311-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2015-7848 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntp · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2015:2058-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2016:1247-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-7848 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2015-7848 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2015-7848 · Vendor Advisory
• https://security.gentoo.org/glsa/201607-15 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10181-1 · Vendor Advisory
• https://suse.com/security/cve/CVE-2016-2516 · Note
• https://suse.com/security/cve/CVE-2014-9293 · Note
• https://bugzilla.suse.com/962960 · Note
• http://securityfocus.com/bid/77275 · Note