isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of service (CPU consumption) via a certain malformed ISAKMP packet to UDP port 500, which causes tcpdump to enter an infinite loop.
2003-03-07T05:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | lbl | tcpdump | 3.5.2 | Yes |
Application | lbl | tcpdump | 3.6.2 | Yes |
Application | lbl | tcpdump | 3.7 | Yes |
Application | lbl | tcpdump | 3.7.1 | Yes |