PT-2016-3856 · Cisco+4 · Cisco Ios+7

Matthew Van Gundy · Published 2016-01-27 · Updated 2017-11-21 · CVE-2015-8139

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions NTP versions prior to 4.2.8p7 Cisco IOS (affected versions not specified)

Description The issue allows remote attackers to obtain origin timestamps and then impersonate peers. There is also a vulnerability in Cisco IOS, but details are not provided.

Recommendations For NTP versions prior to 4.2.8p7, update to version 4.2.8p7 or later to resolve the issue. For Cisco IOS, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

ALT-PU-2017-2335

CVE-2015-8139

MGASA-2016-0219

OPENSUSE-SU-2016_1292-1

SUSE-SU-2016:1175-1

SUSE-SU-2016:1177-1

SUSE-SU-2016:1247-1

SUSE-SU-2016:1311-1

SUSE-SU-2016:3193-1

SUSE-SU-2017:0255-1

Affected Products

Alt Linux

Cisco Ios

Cisco Ios Xe

Cisco Ios Xr

Cisco Nexus

Freebsd

Ntp

Suse

References · 212

• 🔥 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-2016-9310 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2016:1311-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2517 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4954 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT · 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-2017-6459 · Security Note
• http://support.ntp.org/bin/view/Main/NtpBug2946 · Vendor Advisory