UbuntuUSN-3395-1c-ares vulnerability
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
60.9%
Releases
- Ubuntu 17.04
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- c-ares - library for asynchronous name resolution
Details
It was discovered that c-ares incorrectly handled certain NAPTR responses.
A remote attacker could possibly use this issue to cause applications using
c-ares to crash, resulting in a denial of service.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 17.04 | noarch | libc-ares2 | < 1.12.0-1ubuntu0.1 | UNKNOWN |
| Ubuntu | 17.04 | noarch | libc-ares-dev | < 1.12.0-1ubuntu0.1 | UNKNOWN |
| Ubuntu | 17.04 | noarch | libc-ares2-dbgsym | < 1.12.0-1ubuntu0.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2 | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares-dev | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2-dbgsym | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libc-ares2 | < 1.10.0-2ubuntu0.2 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libc-ares-dev | < 1.10.0-2ubuntu0.2 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libc-ares2-dbgsym | < 1.10.0-2ubuntu0.2 | UNKNOWN |
References
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
60.9%