Input validation error in ntp - CVE-2015-8138
Published: June 10, 2021
Vulnerability identifier: #VU54022
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8138
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can bypass the origin timestamp validation via a packet with an origin timestamp set to zero.
Affected software
ntp
SIMATIC NET CP 443-1 OPC UA
SIMATIC NET CP 443-1 OPC UA
How to mitigate CVE-2015-8138
Install updates from vendor's website.
ntp - addressed in versions 4.2.8p6, 4.3.90
External References
- https://www.kb.cert.org/vuls/id/718152
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161123-ntpd
- https://security.gentoo.org/glsa/201607-15
- https://bto.bluecoat.com/security-advisory/sa113
- http://www.ubuntu.com/usn/USN-3096-1
- http://www.securitytracker.com/id/1034782
- http://www.securityfocus.com/bid/81811
- http://www.debian.org/security/2016/dsa-3629
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127-ntpd
- http://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security
- http://rhn.redhat.com/errata/RHSA-2016-0063.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00038.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00059.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176434.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177507.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03750en_us
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03766en_us
- https://security.netapp.com/advisory/ntap-20171031-0001/
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:09.ntp.asc
- https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11
- https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf