Anolis OS update for avahi



| Updated: 2025-03-28
Risk Medium
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2021-3468
CVE-2023-38469
CVE-2023-38470
CVE-2023-38471
CVE-2023-38472
CVE-2023-38473
CWE-ID CWE-835
CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

avahi-doc
Operating systems & Components / Operating system package or component

python3-avahi
Operating systems & Components / Operating system package or component

avahi-ui-gtk3
Operating systems & Components / Operating system package or component

avahi-ui-devel
Operating systems & Components / Operating system package or component

avahi-ui
Operating systems & Components / Operating system package or component

avahi-libs
Operating systems & Components / Operating system package or component

avahi-gobject-devel
Operating systems & Components / Operating system package or component

avahi-gobject
Operating systems & Components / Operating system package or component

avahi-glib-devel
Operating systems & Components / Operating system package or component

avahi-glib
Operating systems & Components / Operating system package or component

avahi-devel
Operating systems & Components / Operating system package or component

avahi-compat-libdns_sd-devel
Operating systems & Components / Operating system package or component

avahi-compat-libdns_sd
Operating systems & Components / Operating system package or component

avahi-compat-howl-devel
Operating systems & Components / Operating system package or component

avahi-compat-howl
Operating systems & Components / Operating system package or component

avahi-autoipd
Operating systems & Components / Operating system package or component

avahi
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU79113

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3468

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work() function. A local user can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

avahi-doc: before 0.7-21.0.1

python3-avahi: before 0.7-21.0.1

avahi-ui-gtk3: before 0.7-21.0.1

avahi-ui-devel: before 0.7-21.0.1

avahi-ui: before 0.7-21.0.1

avahi-libs: before 0.7-21.0.1

avahi-gobject-devel: before 0.7-21.0.1

avahi-gobject: before 0.7-21.0.1

avahi-glib-devel: before 0.7-21.0.1

avahi-glib: before 0.7-21.0.1

avahi-devel: before 0.7-21.0.1

avahi-compat-libdns_sd-devel: before 0.7-21.0.1

avahi-compat-libdns_sd: before 0.7-21.0.1

avahi-compat-howl-devel: before 0.7-21.0.1

avahi-compat-howl: before 0.7-21.0.1

avahi-autoipd: before 0.7-21.0.1

avahi: before 0.7-21.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0993


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Reachable Assertion

EUVDB-ID: #VU79306

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38469

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the avahi_dns_packet_append_record() function. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

avahi-doc: before 0.7-21.0.1

python3-avahi: before 0.7-21.0.1

avahi-ui-gtk3: before 0.7-21.0.1

avahi-ui-devel: before 0.7-21.0.1

avahi-ui: before 0.7-21.0.1

avahi-libs: before 0.7-21.0.1

avahi-gobject-devel: before 0.7-21.0.1

avahi-gobject: before 0.7-21.0.1

avahi-glib-devel: before 0.7-21.0.1

avahi-glib: before 0.7-21.0.1

avahi-devel: before 0.7-21.0.1

avahi-compat-libdns_sd-devel: before 0.7-21.0.1

avahi-compat-libdns_sd: before 0.7-21.0.1

avahi-compat-howl-devel: before 0.7-21.0.1

avahi-compat-howl: before 0.7-21.0.1

avahi-autoipd: before 0.7-21.0.1

avahi: before 0.7-21.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0993


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Reachable Assertion

EUVDB-ID: #VU79307

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38470

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the avahi_escape_label() function. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

avahi-doc: before 0.7-21.0.1

python3-avahi: before 0.7-21.0.1

avahi-ui-gtk3: before 0.7-21.0.1

avahi-ui-devel: before 0.7-21.0.1

avahi-ui: before 0.7-21.0.1

avahi-libs: before 0.7-21.0.1

avahi-gobject-devel: before 0.7-21.0.1

avahi-gobject: before 0.7-21.0.1

avahi-glib-devel: before 0.7-21.0.1

avahi-glib: before 0.7-21.0.1

avahi-devel: before 0.7-21.0.1

avahi-compat-libdns_sd-devel: before 0.7-21.0.1

avahi-compat-libdns_sd: before 0.7-21.0.1

avahi-compat-howl-devel: before 0.7-21.0.1

avahi-compat-howl: before 0.7-21.0.1

avahi-autoipd: before 0.7-21.0.1

avahi: before 0.7-21.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0993


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Reachable Assertion

EUVDB-ID: #VU79308

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-38471

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the dbus_set_host_name() function. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

avahi-doc: before 0.7-21.0.1

python3-avahi: before 0.7-21.0.1

avahi-ui-gtk3: before 0.7-21.0.1

avahi-ui-devel: before 0.7-21.0.1

avahi-ui: before 0.7-21.0.1

avahi-libs: before 0.7-21.0.1

avahi-gobject-devel: before 0.7-21.0.1

avahi-gobject: before 0.7-21.0.1

avahi-glib-devel: before 0.7-21.0.1

avahi-glib: before 0.7-21.0.1

avahi-devel: before 0.7-21.0.1

avahi-compat-libdns_sd-devel: before 0.7-21.0.1

avahi-compat-libdns_sd: before 0.7-21.0.1

avahi-compat-howl-devel: before 0.7-21.0.1

avahi-compat-howl: before 0.7-21.0.1

avahi-autoipd: before 0.7-21.0.1

avahi: before 0.7-21.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0993


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Reachable Assertion

EUVDB-ID: #VU83303

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-38472

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the avahi_rdata_parse() function. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

avahi-doc: before 0.7-21.0.1

python3-avahi: before 0.7-21.0.1

avahi-ui-gtk3: before 0.7-21.0.1

avahi-ui-devel: before 0.7-21.0.1

avahi-ui: before 0.7-21.0.1

avahi-libs: before 0.7-21.0.1

avahi-gobject-devel: before 0.7-21.0.1

avahi-gobject: before 0.7-21.0.1

avahi-glib-devel: before 0.7-21.0.1

avahi-glib: before 0.7-21.0.1

avahi-devel: before 0.7-21.0.1

avahi-compat-libdns_sd-devel: before 0.7-21.0.1

avahi-compat-libdns_sd: before 0.7-21.0.1

avahi-compat-howl-devel: before 0.7-21.0.1

avahi-compat-howl: before 0.7-21.0.1

avahi-autoipd: before 0.7-21.0.1

avahi: before 0.7-21.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0993


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Reachable Assertion

EUVDB-ID: #VU83304

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-38473

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the avahi_alternative_host_name() function. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

avahi-doc: before 0.7-21.0.1

python3-avahi: before 0.7-21.0.1

avahi-ui-gtk3: before 0.7-21.0.1

avahi-ui-devel: before 0.7-21.0.1

avahi-ui: before 0.7-21.0.1

avahi-libs: before 0.7-21.0.1

avahi-gobject-devel: before 0.7-21.0.1

avahi-gobject: before 0.7-21.0.1

avahi-glib-devel: before 0.7-21.0.1

avahi-glib: before 0.7-21.0.1

avahi-devel: before 0.7-21.0.1

avahi-compat-libdns_sd-devel: before 0.7-21.0.1

avahi-compat-libdns_sd: before 0.7-21.0.1

avahi-compat-howl-devel: before 0.7-21.0.1

avahi-compat-howl: before 0.7-21.0.1

avahi-autoipd: before 0.7-21.0.1

avahi: before 0.7-21.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0993


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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