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

c-ares vulnerability

2023-03-0200:00:00
ubuntu.com
29

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

25.3%

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

25.3%