CVE-2008-2476: Input Validation
First published: Fri Oct 03 2008(Updated: )
The IPv6 Neighbor Discovery Protocol (NDP) implementation in (1) FreeBSD 6.3 through 7.1, (2) OpenBSD 4.2 and 4.3, (3) NetBSD, (4) Force10 FTOS before E7.7.1.1, (5) Juniper JUNOS, and (6) Wind River VxWorks 5.x through 6.4 does not validate the origin of Neighbor Discovery messages, which allows remote attackers to cause a denial of service (loss of connectivity) or read private network traffic via a spoofed message that modifies the Forward Information Base (FIB).
Credit: cret@cert.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Force10 FTOS | ||
| FreeBSD FreeBSD | =6.3 | |
| FreeBSD FreeBSD | =7.1 | |
| Juniper JUNOS | ||
| NetBSD NetBSD | ||
| OpenBSD | =4.2 | |
| OpenBSD | =4.3 | |
| Wind River VxWorks | <=6.4 | |
| Wind River VxWorks | =5 | |
| Wind River VxWorks | =5.5 |
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Reference Links
- http://secunia.com/advisories/32112
- http://secunia.com/advisories/32116
- http://secunia.com/advisories/32117
- http://secunia.com/advisories/32133
- http://secunia.com/advisories/32406
- http://security.freebsd.org/advisories/FreeBSD-SA-08:10.nd6.asc
- http://securitytracker.com/id?1020968
- http://support.apple.com/kb/HT3467
- http://www.kb.cert.org/vuls/id/472363
- http://www.kb.cert.org/vuls/id/MAPG-7H2RY7
- http://www.kb.cert.org/vuls/id/MAPG-7H2S68
- http://www.openbsd.org/errata42.html#015_ndp
- http://www.openbsd.org/errata43.html#006_ndp
- http://www.securityfocus.com/bid/31529
- http://www.securitytracker.com/id?1021109
- http://www.securitytracker.com/id?1021132
- http://www.vupen.com/english/advisories/2008/2750
- http://www.vupen.com/english/advisories/2008/2751
- http://www.vupen.com/english/advisories/2008/2752
- http://www.vupen.com/english/advisories/2009/0633
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45601
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5670
- https://www.juniper.net/alerts/viewalert.jsp?actionBtn=Search&txtAlertNumber=PSN-2008-09-036&viewMode=view
Frequently Asked Questions
What is the severity of CVE-2008-2476?
CVE-2008-2476 is considered a high severity vulnerability due to its ability to allow remote attackers to send forged Neighbor Discovery messages.
How do I fix CVE-2008-2476?
To fix CVE-2008-2476, it is recommended to update affected systems to the latest patched versions provided by your operating system vendor.
Which systems are affected by CVE-2008-2476?
CVE-2008-2476 affects FreeBSD, OpenBSD, NetBSD, Force10 FTOS, Juniper JUNOS, and Wind River VxWorks within specific versions.
What type of attack can exploit CVE-2008-2476?
CVE-2008-2476 can be exploited through spoofed Neighbor Discovery messages, potentially leading to denial of service or man-in-the-middle attacks.
Is there a workaround for CVE-2008-2476?
Currently, the best workaround for CVE-2008-2476 involves implementing network layer security measures, such as filtering or monitoring Neighbor Discovery messages.
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