cbcvebase.
CVE-2005-1279
published 2005-05-02

CVE-2005-1279: tcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a crafted (1) BGP packet, which is not properly handled by…

PriorityP428medium5CVSS 2.0
AVNACLAuNCNINAP
EXPLOIT
EPSS
18.72%
96.9th percentile
tcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite loop) via a crafted (1) BGP packet, which is not properly handled by RT_ROUTING_INFO, or (2) LDP packet, which is not properly handled by the ldp_print function.

Affected

6 ranges
VendorProductVersion rangeFixed in
debiantcpdump< tcpdump 3.8.3-4 (bookworm)tcpdump 3.8.3-4 (bookworm)
lbltcpdump<= 3.8.3
tcpdumptcpdump>= 0 < 3.8.3-43.8.3-4
tcpdumptcpdump>= 0 < 3.8.3-43.8.3-4
tcpdumptcpdump>= 0 < 3.8.3-43.8.3-4
tcpdumptcpdump>= 0 < 3.8.3-43.8.3-4

Detection & IOCsextracted from sources · hover to see the quote

port646/UDP
port179/TCP
bytes
\x00\x01\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\xff\xff\xff\xff
bytes
\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x13\x02\x00\x01\x00\xff\x00\xff\x0e\x00\xff\x00\x01\x84\x00\x00\x00
  • tcpdump process consuming 100% CPU (infinite loop) after receiving a single malformed BGP or LDP packet is a strong indicator of exploitation.

CVSS provenance

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv5.0MEDIUM
vendor_debian5.0MEDIUM
vendor_redhat5.0MEDIUM
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