Resource management error in ntp - CVE-2009-3563
Published: March 22, 2024
Vulnerability identifier: #VU87727
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2009-3563
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: ntp.org
Affected software:
ntp
ntp
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in ntp_request.c. A remote attacker can perform a denial of service (DoS) attack using the MODE_PRIVATE to send a spoofed request or response packets that trigger a continuous exchange of MODE_PRIVATE error responses between two NTP daemons.
How to mitigate CVE-2009-3563
Install updates from vendor's website.
Sources
- https://rhn.redhat.com/errata/RHSA-2009-1651.html
- http://www.kb.cert.org/vuls/id/MAPG-7X7VD7
- http://www.debian.org/security/2009/dsa-1948
- http://support.ntp.org/bin/view/Main/SecurityNotice#DoS_attack_from_certain_NTP_mode
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560074
- https://rhn.redhat.com/errata/RHSA-2009-1648.html
- https://lists.ntp.org/pipermail/announce/2009-December/000086.html
- http://www.kb.cert.org/vuls/id/568372
- http://security-tracker.debian.org/tracker/CVE-2009-3563
- https://support.ntp.org/bugs/show_bug.cgi?id=1331
- http://www.kb.cert.org/vuls/id/MAPG-7X7V6J
- https://bugzilla.redhat.com/show_bug.cgi?id=531213
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00809.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00763.html
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://support.avaya.com/css/P8/documents/100071808
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ71047
- http://aix.software.ibm.com/aix/efixes/security/xntpd_advisory.asc
- http://www-01.ibm.com/support/docview.wss?uid=isg1IZ68659
- http://lists.vmware.com/pipermail/security-announce/2010/000082.html
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2010-005.txt.asc
- http://secunia.com/advisories/39593
- http://www.vupen.com/english/advisories/2010/0993
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021781.1-1
- http://marc.info/?l=bugtraq&m=136482797910018&w=2
- http://marc.info/?l=bugtraq&m=130168580504508&w=2
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10691
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7076
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19376
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12141
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11225
- https://www.kb.cert.org/vuls/id/417980