UbuntuUSN-3973-1DHCP vulnerability
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
52.4%
Releases
- Ubuntu 18.10
- Ubuntu 18.04 ESM
Packages
- isc-dhcp - DHCP server and client
Details
It was discovered that DHCP, when built with a mismatched external BIND
library, incorrectly handled certain memory operations. A remote attacker
could possibly use this issue to cause DHCP to crash, resulting in a
denial of service.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 18.10 | noarch | isc-dhcp-server | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-client | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-client-dbgsym | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-client-ddns | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-client-ddns-dbgsym | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-client-udeb | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-common | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-dev | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-relay | < 4.3.5-3ubuntu9.1 | UNKNOWN |
| Ubuntu | 18.10 | noarch | isc-dhcp-relay-dbgsym | < 4.3.5-3ubuntu9.1 | UNKNOWN |
References
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
52.4%