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amazonAmazonALAS2-2023-2161
HistoryJul 20, 2023 - 5:29 p.m.

Medium: avahi

2023-07-2017:29:00
alas.aws.amazon.com
6

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.7 Medium

AI Score

Confidence

High

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.2%

JSON

Issue Overview:

avahi-daemon denial of service can be caused by unprivileged users via DBus (CVE-2023-1981)

Affected Packages:

avahi

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update avahi to update your system.

New Packages:

aarch64:  
    avahi-0.6.31-20.amzn2.0.1.aarch64  
    avahi-tools-0.6.31-20.amzn2.0.1.aarch64  
    avahi-ui-tools-0.6.31-20.amzn2.0.1.aarch64  
    avahi-glib-0.6.31-20.amzn2.0.1.aarch64  
    avahi-glib-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-gobject-0.6.31-20.amzn2.0.1.aarch64  
    avahi-gobject-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-ui-0.6.31-20.amzn2.0.1.aarch64  
    avahi-ui-gtk3-0.6.31-20.amzn2.0.1.aarch64  
    avahi-ui-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-qt3-0.6.31-20.amzn2.0.1.aarch64  
    avahi-qt3-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-qt4-0.6.31-20.amzn2.0.1.aarch64  
    avahi-qt4-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-libs-0.6.31-20.amzn2.0.1.aarch64  
    avahi-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-compat-howl-0.6.31-20.amzn2.0.1.aarch64  
    avahi-compat-howl-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-compat-libdns_sd-0.6.31-20.amzn2.0.1.aarch64  
    avahi-compat-libdns_sd-devel-0.6.31-20.amzn2.0.1.aarch64  
    avahi-autoipd-0.6.31-20.amzn2.0.1.aarch64  
    avahi-dnsconfd-0.6.31-20.amzn2.0.1.aarch64  
    avahi-debuginfo-0.6.31-20.amzn2.0.1.aarch64  
  
i686:  
    avahi-0.6.31-20.amzn2.0.1.i686  
    avahi-tools-0.6.31-20.amzn2.0.1.i686  
    avahi-ui-tools-0.6.31-20.amzn2.0.1.i686  
    avahi-glib-0.6.31-20.amzn2.0.1.i686  
    avahi-glib-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-gobject-0.6.31-20.amzn2.0.1.i686  
    avahi-gobject-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-ui-0.6.31-20.amzn2.0.1.i686  
    avahi-ui-gtk3-0.6.31-20.amzn2.0.1.i686  
    avahi-ui-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-qt3-0.6.31-20.amzn2.0.1.i686  
    avahi-qt3-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-qt4-0.6.31-20.amzn2.0.1.i686  
    avahi-qt4-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-libs-0.6.31-20.amzn2.0.1.i686  
    avahi-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-compat-howl-0.6.31-20.amzn2.0.1.i686  
    avahi-compat-howl-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-compat-libdns_sd-0.6.31-20.amzn2.0.1.i686  
    avahi-compat-libdns_sd-devel-0.6.31-20.amzn2.0.1.i686  
    avahi-autoipd-0.6.31-20.amzn2.0.1.i686  
    avahi-dnsconfd-0.6.31-20.amzn2.0.1.i686  
    avahi-debuginfo-0.6.31-20.amzn2.0.1.i686  
  
src:  
    avahi-0.6.31-20.amzn2.0.1.src  
  
x86_64:  
    avahi-0.6.31-20.amzn2.0.1.x86_64  
    avahi-tools-0.6.31-20.amzn2.0.1.x86_64  
    avahi-ui-tools-0.6.31-20.amzn2.0.1.x86_64  
    avahi-glib-0.6.31-20.amzn2.0.1.x86_64  
    avahi-glib-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-gobject-0.6.31-20.amzn2.0.1.x86_64  
    avahi-gobject-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-ui-0.6.31-20.amzn2.0.1.x86_64  
    avahi-ui-gtk3-0.6.31-20.amzn2.0.1.x86_64  
    avahi-ui-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-qt3-0.6.31-20.amzn2.0.1.x86_64  
    avahi-qt3-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-qt4-0.6.31-20.amzn2.0.1.x86_64  
    avahi-qt4-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-libs-0.6.31-20.amzn2.0.1.x86_64  
    avahi-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-compat-howl-0.6.31-20.amzn2.0.1.x86_64  
    avahi-compat-howl-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-compat-libdns_sd-0.6.31-20.amzn2.0.1.x86_64  
    avahi-compat-libdns_sd-devel-0.6.31-20.amzn2.0.1.x86_64  
    avahi-autoipd-0.6.31-20.amzn2.0.1.x86_64  
    avahi-dnsconfd-0.6.31-20.amzn2.0.1.x86_64  
    avahi-debuginfo-0.6.31-20.amzn2.0.1.x86_64

Additional References

Red Hat: CVE-2023-1981

Mitre: CVE-2023-1981

OSVersionArchitecturePackageVersionFilename
Amazon Linux2aarch64avahi< 0.6.31-20.amzn2.0.1avahi-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-tools< 0.6.31-20.amzn2.0.1avahi-tools-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-ui-tools< 0.6.31-20.amzn2.0.1avahi-ui-tools-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-glib< 0.6.31-20.amzn2.0.1avahi-glib-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-glib-devel< 0.6.31-20.amzn2.0.1avahi-glib-devel-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-gobject< 0.6.31-20.amzn2.0.1avahi-gobject-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-gobject-devel< 0.6.31-20.amzn2.0.1avahi-gobject-devel-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-ui< 0.6.31-20.amzn2.0.1avahi-ui-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-ui-gtk3< 0.6.31-20.amzn2.0.1avahi-ui-gtk3-0.6.31-20.amzn2.0.1.aarch64.rpm
Amazon Linux2aarch64avahi-ui-devel< 0.6.31-20.amzn2.0.1avahi-ui-devel-0.6.31-20.amzn2.0.1.aarch64.rpm
Rows per page:
1-10 of 691

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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5.7 Medium

AI Score

Confidence

High

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.2%

JSON
Related for ALAS2-2023-2161
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