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ubuntuUbuntuUSN-5907-1
HistoryMar 02, 2023 - 12:00 a.m.

c-ares vulnerability

2023-03-0200:00:00
ubuntu.com
32
c-ares
ubuntu
asynchronous name resolution
denial of service
arbitrary code
vulnerability

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.2%

Releases

  • Ubuntu 22.10
  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM

Packages

  • c-ares - library for asynchronous name resolution

Details

It was discovered that c-ares incorrectly handled certain sortlist strings.
A remote attacker could use this issue to cause c-ares to crash, resulting
in a denial of service, or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu22.10noarchlibc-ares2< 1.18.1-1ubuntu0.22.10.1UNKNOWN
Ubuntu22.10noarchlibc-ares-dev< 1.18.1-1ubuntu0.22.10.1UNKNOWN
Ubuntu22.10noarchlibc-ares2-dbgsym< 1.18.1-1ubuntu0.22.10.1UNKNOWN
Ubuntu22.04noarchlibc-ares2< 1.18.1-1ubuntu0.22.04.1UNKNOWN
Ubuntu22.04noarchlibc-ares-dev< 1.18.1-1ubuntu0.22.04.1UNKNOWN
Ubuntu22.04noarchlibc-ares2-dbgsym< 1.18.1-1ubuntu0.22.04.1UNKNOWN
Ubuntu20.04noarchlibc-ares2< 1.15.0-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchlibc-ares-dev< 1.15.0-1ubuntu0.2UNKNOWN
Ubuntu20.04noarchlibc-ares2-dbgsym< 1.15.0-1ubuntu0.2UNKNOWN
Ubuntu18.04noarchlibc-ares2< 1.14.0-1ubuntu0.2UNKNOWN
Rows per page:
1-10 of 121

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.2%