Vulnerability Name:

CVE-2004-0257 (CCN-15044)

Assigned:2004-02-04
Published:2004-02-04
Updated:2017-10-10
Summary:OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: NETBSD
Type: UNKNOWN
NetBSD-SA2004-002

Source: CCN
Type: Full-Disclosure Mailing List, Wed Feb 04 2004 - 10:08:53 CST
Remote openbsd crash with ip6, yet still openbsd much better than windows

Source: MITRE
Type: CNA
CVE-2004-0257

Source: FULLDISC
Type: UNKNOWN
20040204 Remote openbsd crash with ip6, yet still openbsd much better than windows

Source: CCN
Type: NetBSD Security Advisory 2004-002
Inconsistent IPv6 path MTU discovery handling

Source: BUGTRAQ
Type: UNKNOWN
20040205 OpenBSD IPv6 remote kernel crash

Source: MISC
Type: UNKNOWN
http://www.guninski.com/obsdmtu.html

Source: CCN
Type: OpenBSD Security Fix: 011
An IPv6 MTU handling problem exists that could be used by an attacker to cause a denial of service attack against hosts with reachable IPv6 TCP ports.

Source: CCN
Type: CVS log for src/sys/netinet6/ip6_output.c Web page
Revision 1.82

Source: CONFIRM
Type: UNKNOWN
http://www.openbsd.org/cgi-bin/cvsweb/src/sys/netinet6/ip6_output.c

Source: OSVDB
Type: UNKNOWN
3825

Source: CCN
Type: OSVDB ID: 3825
Multiple BSD IPv6 Traffic Handling DoS

Source: BID
Type: Patch, Vendor Advisory
9577

Source: CCN
Type: BID-9577
BSD ICMPV6 Handling Routines Remote Denial Of Service Vulnerability

Source: XF
Type: UNKNOWN
openbsd-ipv6-dos(15044)

Source: XF
Type: UNKNOWN
openbsd-ipv6-dos(15044)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:netbsd:netbsd:1.6:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:3.2:*:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:3.3:*:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:3.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:netbsd:netbsd:1.6:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:current:*:*:*:*:*:*:*
  • OR cpe:/o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:*
  • OR cpe:/o:openbsd:openbsd:3.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    netbsd netbsd 1.6
    netbsd netbsd 1.6.1
    openbsd openbsd 3.0
    openbsd openbsd 3.1
    openbsd openbsd 3.2
    openbsd openbsd 3.3
    openbsd openbsd 3.4
    netbsd netbsd 1.6
    netbsd netbsd current
    netbsd netbsd 1.6.1
    openbsd openbsd 3.4