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ubuntuUbuntuUSN-6164-1
HistoryJun 14, 2023 - 12:00 a.m.

c-ares vulnerabilities

2023-06-1400:00:00
ubuntu.com
35
c-ares library
ubuntu
vulnerabilities
denial of service
arbitrary code execution
ipv6
udp packets
security

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.9%

Releases

  • Ubuntu 23.04
  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Packages

  • c-ares - library for asynchronous name resolution

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)

OSVersionArchitecturePackageVersionFilename
Ubuntu23.04noarchlibc-ares2< 1.18.1-2ubuntu0.1UNKNOWN
Ubuntu23.04noarchlibc-ares-dev< 1.18.1-2ubuntu0.1UNKNOWN
Ubuntu23.04noarchlibc-ares2-dbgsym< 1.18.1-2ubuntu0.1UNKNOWN
Ubuntu22.10noarchlibc-ares2< 1.18.1-1ubuntu0.22.10.2UNKNOWN
Ubuntu22.10noarchlibc-ares-dev< 1.18.1-1ubuntu0.22.10.2UNKNOWN
Ubuntu22.10noarchlibc-ares2-dbgsym< 1.18.1-1ubuntu0.22.10.2UNKNOWN
Ubuntu22.04noarchlibc-ares2< 1.18.1-1ubuntu0.22.04.2UNKNOWN
Ubuntu22.04noarchlibc-ares-dev< 1.18.1-1ubuntu0.22.04.2UNKNOWN
Ubuntu22.04noarchlibc-ares2-dbgsym< 1.18.1-1ubuntu0.22.04.2UNKNOWN
Ubuntu20.04noarchlibc-ares2< 1.15.0-1ubuntu0.3UNKNOWN
Rows per page:
1-10 of 121

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.9%