PT-2004-1881 · Openbsd · Openbsd

Published 2004-08-25 · Updated 2017-07-11 · CVE-2004-0819

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Name of the Vulnerable Software and Affected Versions OpenBSD versions 3.4 through 3.5

Description The issue affects the bridge functionality when configured as a bridging firewall with IPSec enabled. It allows remote attackers to cause a denial of service, resulting in a system crash, by sending an ICMP echo packet.

Recommendations For OpenBSD versions 3.4 and 3.5, consider disabling the bridge functionality or the link2 option for IPSec as a temporary workaround to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2004-0819

Affected Products

Openbsd

References · 4

• http://openbsd.org/errata34.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2004-0819 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/17129 · Note
• http://marc.info/?l=bugtraq&m=109345131508824&w=2 · Note