UbuntuUSN-6164-2c-ares vulnerabilities
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
8.6 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
0.001 Low
EPSS
Percentile
34.6%
Releases
- Ubuntu 18.04 ESM
- Ubuntu 16.04 ESM
Packages
- c-ares - library for asynchronous name resolution
Details
USN-6164-1 fixed several vulnerabilities in c-ares. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
Original advisory details:
Hannes Moesl discovered that c-ares incorrectly handled certain ipv6
addresses. An attacker could use this issue to cause c-ares to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-31130)
Xiang Li discovered that c-ares incorrectly handled certain UDP packets. A
remote attacker could possibly use this issue to cause c-res to crash,
resulting in a denial of service. (CVE-2023-32067)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 18.04 | noarch | libc-ares2 | < 1.14.0-1ubuntu0.2+esm1 | UNKNOWN |
| Ubuntu | 18.04 | noarch | libc-ares-dev | < 1.14.0-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 18.04 | noarch | libc-ares2 | < 1.14.0-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 18.04 | noarch | libc-ares2-dbgsym | < 1.14.0-1ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2 | < 1.10.0-3ubuntu0.2+esm2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares-dev | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2 | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2-dbgsym | < 1.10.0-3ubuntu0.2 | UNKNOWN |
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
8.6 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
0.001 Low
EPSS
Percentile
34.6%