dhcpcd CVE-2019-11766 Buffer Overflow Vulnerability

Bugtraq ID:	108172
Class:	Boundary Condition Error
CVE:	CVE-2019-11766
Remote:	Yes
Local:	No
Published:	May 04 2019 12:00AM
Updated:	May 04 2019 12:00AM
Credit:	Timo Sigurdsson
Vulnerable:	Roy Marples dhcpcd 7.2.1 Roy Marples dhcpcd 7.2 Roy Marples dhcpcd 7.1.1 Roy Marples dhcpcd 7.1 Roy Marples dhcpcd 7.0.8 Roy Marples dhcpcd 7.0.7 Roy Marples dhcpcd 7.0.6 Roy Marples dhcpcd 7.0.5 Roy Marples dhcpcd 7.0.4 Roy Marples dhcpcd 7.0.3 Roy Marples dhcpcd 7.0.2 Roy Marples dhcpcd 7.0.1 Roy Marples dhcpcd 7.0 Roy Marples dhcpcd 6.11.6 Roy Marples dhcpcd 6.11.5 Roy Marples dhcpcd 6.11.4 Roy Marples dhcpcd 6.11.2 Roy Marples dhcpcd 6.11 Roy Marples dhcpcd 6.10.2 Roy Marples dhcpcd 6.9.4 Roy Marples dhcpcd 6.9 Roy Marples dhcpcd 6.8.2 Roy Marples dhcpcd 6.8 Roy Marples dhcpcd 6.7 Roy Marples dhcpcd 6.6 Roy Marples dhcpcd 6.5.1 Roy Marples dhcpcd 6.4.5 Roy Marples dhcpcd 6.4 Roy Marples dhcpcd 6.2 Roy Marples dhcpcd 5.5 Roy Marples dhcpcd 5.2.9 Roy Marples dhcpcd 5.2.2 Roy Marples dhcpcd 5.1 Roy Marples dhcpcd 5.0.5 Roy Marples dhcpcd 5.0 Roy Marples dhcpcd 4.0.12 Roy Marples dhcpcd 4.0.11 Roy Marples dhcpcd 4.0.10 Roy Marples dhcpcd 4.0.9 Roy Marples dhcpcd 4.0.8 Roy Marples dhcpcd 4.0.4 Roy Marples dhcpcd 4.0.2
Not Vulnerable:	Roy Marples dhcpcd 7.2.2 Roy Marples dhcpcd 6.11.7

dhcpcd CVE-2019-11766 Buffer Overflow Vulnerability

dhcpcd is prone to a buffer-overflow vulnerability.

Successful exploits may allow attackers to execute arbitrary code in the context of the application. Failed attacks will cause denial-of-service conditions.

dhcpcd prior to 6.11.7 and 7.x versions prior 7.2.2 are vulnerable.

dhcpcd CVE-2019-11766 Buffer Overflow Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

dhcpcd CVE-2019-11766 Buffer Overflow Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

dhcpcd CVE-2019-11766 Buffer Overflow Vulnerability

References:

• dhcpcd Homepage (roy marples)
  
• dhcpcd-7.2.2 released (Roy Marples)
  
• DHCPv6: Fix exclude prefix length check.dhcpcd-7.2.2 (Roy Marples)
  
• dhcpcd5: CVE-2019-11766: DHCPv6: Potential read overflow (Debian)
  
• DHCPv6: Fix a potential read overflow with D6_OPTION_PD_EXCLUDE (Roy Marples)