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amazonAmazonALAS-2023-1770
HistoryJun 21, 2023 - 7:11 p.m.

Important: c-ares

2023-06-2119:11:00
alas.aws.amazon.com
4
c-ares
denial of service
update
cve-2023-32067
red hat
mitre
unix

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

0.001 Low

EPSS

Percentile

45.9%

Issue Overview:

Denial of Service.

An issue in c-ares was found where a 0-byte UDP payload can cause a Denial of Service (CVE-2023-32067).

Affected Packages:

c-ares

Issue Correction:
Run yum update c-ares to update your system.

New Packages:

i686:  
    c-ares-1.17.2-1.9.amzn1.i686  
    c-ares-debuginfo-1.17.2-1.9.amzn1.i686  
    c-ares-devel-1.17.2-1.9.amzn1.i686  
  
src:  
    c-ares-1.17.2-1.9.amzn1.src  
  
x86_64:  
    c-ares-debuginfo-1.17.2-1.9.amzn1.x86_64  
    c-ares-devel-1.17.2-1.9.amzn1.x86_64  
    c-ares-1.17.2-1.9.amzn1.x86_64  

Additional References

Red Hat: CVE-2023-32067

Mitre: CVE-2023-32067

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

0.001 Low

EPSS

Percentile

45.9%