The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Tcpdump | Lbl | 3.4 (including) | 3.4 (including) |
| Tcpdump | Lbl | 3.4a6 (including) | 3.4a6 (including) |
| Tcpdump | Lbl | 3.5 (including) | 3.5 (including) |
| Tcpdump | Lbl | 3.5.2 (including) | 3.5.2 (including) |
| Tcpdump | Lbl | 3.6.2 (including) | 3.6.2 (including) |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | RedHat | * | |
| Red Hat Linux 7.1 | RedHat | * | |
| Red Hat Linux 7.1 | RedHat | * | |
| Red Hat Linux 7.2 | RedHat | * | |
| Red Hat Linux 7.3 | RedHat | * | |
| Red Hat Linux 8.0 | RedHat | * | |
| Red Hat Linux Advanced Workstation 2.1 | RedHat | * |
References
- http://www.debian.org/security/2003/dsa-261
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:027
- http://www.redhat.com/support/errata/RHSA-2003-032.html
- http://www.redhat.com/support/errata/RHSA-2003-033.html
- http://www.redhat.com/support/errata/RHSA-2003-214.html
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=81585
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11324
- http://www.debian.org/security/2003/dsa-261
- http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:027
- http://www.redhat.com/support/errata/RHSA-2003-032.html
- http://www.redhat.com/support/errata/RHSA-2003-033.html
- http://www.redhat.com/support/errata/RHSA-2003-214.html
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=81585
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11324