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Fencer Vulns
critical 9.8

CVE-2007-3798 in the critical feed json

Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows remote attackers to execute arbitrary code via cra…

published 2007-07-16 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3782

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
70.4%
EPSS 70.4% chance of exploitation in 30 days, percentile 99.3%
public exploits
1
Exploit-DB

Summary

Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows remote attackers to execute arbitrary code via crafted TLVs in a BGP packet, related to an unchecked return value.

Patch / fix

  • freebsd freebsd 5.5, 6.1
  • apple mac_os_x 10.4.11
  • apple mac_os_x_server 10.4.11
  • tcpdump Debian 14, Debian 13, Debian 12 3.9.5-3

debian advisories DEBIAN-CVE-2007-3798

  • tcpdump RHEL 4 14:3.8.2-12.el4
  • libpcap RHEL 4 14:0.8.3-12.el4
  • arpwatch RHEL 4 14:2.1a13-12.el4
  • tcpdump RHEL 5 14:3.9.4-11.el5
  • libpcap RHEL 5 14:0.9.4-11.el5
  • arpwatch RHEL 5 14:2.1a13-18.el5

red hat advisories RHSA-2007:0387RHSA-2007:0368

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-3798 updated

tcpdump BGP integer overflow

  • Red Hat Enterprise Linux (v. 5 server) libpcap 0.9.4-11.el5, tcpdump 3.9.4-11.el5, arpwatch 2.1a13-18.el5
    fixed: vendor fix RHSA-2007:0368
  • Red Hat Enterprise Linux AS version 4 libpcap 0.8.3-12.el4, tcpdump 3.8.2-12.el4, arpwatch 2.1a13-12.el4
    fixed: vendor fix RHSA-2007:0387
  • Red Hat Enterprise Linux Desktop (v. 5 client) libpcap 0.9.4-11.el5, tcpdump 3.9.4-11.el5, arpwatch 2.1a13-18.el5
    fixed: vendor fix RHSA-2007:0368
  • Red Hat Enterprise Linux Desktop version 4 libpcap 0.8.3-12.el4, tcpdump 3.8.2-12.el4, arpwatch 2.1a13-12.el4
    fixed: vendor fix RHSA-2007:0387
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) libpcap 0.9.4-11.el5, tcpdump 3.9.4-11.el5, arpwatch 2.1a13-18.el5
    fixed: vendor fix RHSA-2007:0368
  • Red Hat Enterprise Linux ES version 4 libpcap 0.8.3-12.el4, tcpdump 3.8.2-12.el4, arpwatch 2.1a13-12.el4 Red Hat Enterprise Linux WS version 4 libpcap 0.8.3-12.el4, tcpdump 3.8.2-12.el4, arpwatch 2.1a13-12.el4
    fixed: vendor fix RHSA-2007:0387

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-30319)
  2. Published

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

70.39% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-30319 tcpdump - Print-bgp.C Remote Integer Underflow remote, 2007-03-01
  • digit-labs.org http://www.digit-labs.org/files/exploits/private/tcpdump-bgp.c referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.