Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2016-1550 |
CWE-ID | CWE-200 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
ntp Server applications / Other server solutions |
Vendor | ntp.org |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU54030
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2016-1550
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the message authentication functionality. A remote attacker can send a series of crafted messages to attempt to recover the message digest key.
MitigationInstall updates from vendor's website.
Vulnerable software versionsntp: 4.2.8p4
External linkshttp://www.talosintelligence.com/reports/TALOS-2016-0084/
http://www.securityfocus.com/bid/88261
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://security.gentoo.org/glsa/201607-15
http://www.securitytracker.com/id/1035705
http://www.debian.org/security/2016/dsa-3629
http://security.netapp.com/advisory/ntap-20171004-0002/
http://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
http://access.redhat.com/errata/RHSA-2016:1141
http://rhn.redhat.com/errata/RHSA-2016-1552.html
http://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
http://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
http://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.