DHCPCD Remote Denial of Service Vulnerability

BID:14206

Info

DHCPCD Remote Denial of Service Vulnerability

Bugtraq ID: 14206
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2005-1848
Remote: Yes
Local: No
Published: Jul 11 2005 12:00AM
Updated: Jul 12 2009 04:06PM
Credit: Discovery is credited to infamous42md.
Vulnerable: Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux 9.1
Slackware Linux 9.0
Slackware Linux 8.1
Slackware Linux -current
Redhat Enterprise Linux WS 2.1 IA64
Redhat Enterprise Linux WS 2.1
Redhat Enterprise Linux ES 2.1 IA64
Redhat Enterprise Linux ES 2.1
Redhat Enterprise Linux AS 2.1 IA64
Redhat Enterprise Linux AS 2.1
Redhat Advanced Workstation for the Itanium Processor 2.1 IA64
Redhat Advanced Workstation for the Itanium Processor 2.1
Phystech dhcpcd 1.3.22 -pl4
+ Debian Linux 3.1 sparc
 + Debian Linux 3.1 s/390
 + Debian Linux 3.1 ppc
 + Debian Linux 3.1 mipsel
 + Debian Linux 3.1 mips
 + Debian Linux 3.1 m68k
 + Debian Linux 3.1 ia-64
 + Debian Linux 3.1 ia-32
 + Debian Linux 3.1 hppa
 + Debian Linux 3.1 arm
 + Debian Linux 3.1 alpha
 + Debian Linux 3.1
+ Gentoo Linux
Mandriva Linux Mandrake 10.2 x86_64
Mandriva Linux Mandrake 10.2
Mandriva Linux Mandrake 10.1 x86_64
Mandriva Linux Mandrake 10.1
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
IPCop IPCop 1.4.6
IPCop IPCop 1.4.5
IPCop IPCop 1.4.4
IPCop IPCop 1.4.2
IPCop IPCop 1.4.1
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Not Vulnerable:

Discussion

DHCPCD Remote Denial of Service Vulnerability

dhcpcd is prone to a remote denial of service vulnerability.

The issue presents itself when the application handles malformed data and accesses out of bounds memory.

dhcpcd 1.3.22pl4 is reported to be affected. It is possible that older versions are vulnerable as well.

Exploit / POC

DHCPCD Remote Denial of Service Vulnerability

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

DHCPCD Remote Denial of Service Vulnerability

Solution:
Debian has released advisory DSA 750-1 to address this issue. Please see the referenced advisory for more information.

Mandriva has released advisory MDKSA-2005:117, along with fixes to address this issue. Please see the referenced advisory for further information.

Gentoo has released advisory GLSA 200507-16 to address this issue. Please see the referenced advisory for more information. Gentoo users may carry out the following commands to update their computers:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/dhcpcd-1.3.22_p4-r11"

Conectiva Linux has released security advisory CLSA-2005:983 addressing this issue for Conectiva Linux 9 and 10. Please see the referenced advisory for further information.

RedHat Linux has released security advisory RHSA-2005:603-07 addressing this issue for their Enterprise and Advanced Workstation editions. Please see the referenced advisory for further information.

Debian has released security advisory DSA 773-1 addressing several issues for their AMD64 port of the operating system. Please see the referenced advisory for further information.

An updated version of IPCop is available to address this and other issues.

Slackware Linux has released advisory SSA:2005-255-01, along with fixes to address this issue. Please see the referenced advisory for further information.

Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.


Phystech dhcpcd 1.3.22 -pl4

IPCop IPCop 1.4.1

IPCop IPCop 1.4.2

IPCop IPCop 1.4.4

IPCop IPCop 1.4.5

IPCop IPCop 1.4.6

Slackware Linux 10.0

Slackware Linux 10.1

Slackware Linux 8.1

Slackware Linux 9.0

Slackware Linux 9.1

References

DHCPCD Remote Denial of Service Vulnerability

References:

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