Vulnerability-Lookup

SUSE-SU-2025:20032-1

Vulnerability from csaf_suse - Published: 2025-02-03 08:52 - Updated: 2025-02-03 08:52

Summary

Security update for avahi

Severity

Moderate

Notes

Title of the patch: Security update for avahi

Description of the patch: This update for avahi fixes the following issues: Security issues fixed: - CVE-2023-38471: Extract host name using avahi_unescape_label (bsc#1216594). - CVE-2023-38469: Reject overly long TXT resource records (bsc#1216598). Non-security issue fixed: - no longer supply bogus services to callbacks (bsc#1226586).

Patchnames: SUSE-SLE-Micro-6.0-35

CVE-2023-38469

6.2 (Medium)


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

Affected products

Recommended 12 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Micro 6.0:avahi-0.8-5.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:avahi-0.8-5.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:avahi-0.8-5.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2023-38471

6.2 (Medium)


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

Affected products

Recommended 12 products, the same list as for CVE-2023-38469

Threats

Impact moderate

References

13 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1216594	self
https://bugzilla.suse.com/1216598	self
https://bugzilla.suse.com/1226586	self
https://www.suse.com/security/cve/CVE-2023-38469/	self
https://www.suse.com/security/cve/CVE-2023-38471/	self
https://www.suse.com/security/cve/CVE-2023-38469	external
https://bugzilla.suse.com/1216598	external
https://www.suse.com/security/cve/CVE-2023-38471	external
https://bugzilla.suse.com/1216594	external

JSON

To clipboard

{
  "document": {
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      "text": "moderate"
    },
    "category": "csaf_security_advisory",
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    "distribution": {
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        "text": "This update for avahi fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2023-38471: Extract host name using avahi_unescape_label (bsc#1216594).\n- CVE-2023-38469: Reject overly long TXT resource records (bsc#1216598).\n\nNon-security issue fixed:\n\n- no longer supply bogus services to callbacks (bsc#1226586).\n",
        "title": "Description of the patch"
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        "title": "Patchnames"
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      }
    ],
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    "references": [
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        "category": "external",
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      },
      {
        "category": "self",
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    ],
    "title": "Security update for avahi",
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        "full_product_name": {
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-38469",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-38469"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Micro 6.0:avahi-0.8-5.1.s390x",
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          "SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.s390x",
          "SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.x86_64",
          "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.aarch64",
          "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.s390x",
          "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.x86_64",
          "SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.aarch64",
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        ]
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          "url": "https://www.suse.com/security/cve/CVE-2023-38469"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1216598 for CVE-2023-38469",
          "url": "https://bugzilla.suse.com/1216598"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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            "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.aarch64",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Micro 6.0:avahi-0.8-5.1.x86_64",
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            "SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.s390x",
            "SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.x86_64",
            "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.aarch64",
            "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.s390x",
            "SUSE Linux Micro 6.0:libavahi-common3-0.8-5.1.x86_64",
            "SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.aarch64",
            "SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.s390x",
            "SUSE Linux Micro 6.0:libavahi-core7-0.8-5.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-02-03T08:52:02Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-38469"
    },
    {
      "cve": "CVE-2023-38471",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2023-38471"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Micro 6.0:avahi-0.8-5.1.s390x",
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          "SUSE Linux Micro 6.0:libavahi-client3-0.8-5.1.aarch64",
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          "category": "external",
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          "url": "https://bugzilla.suse.com/1216594"
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      ],
      "remediations": [
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          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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          "date": "2025-02-03T08:52:02Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2023-38471"
    }
  ]
}

CVE-2023-38469 (GCVE-0-2023-38469)

Vulnerability from cvelistv5 – Published: 2023-11-02 14:49 – Updated: 2025-11-03 21:49

Title

Reachable assertion in avahi_dns_packet_append_record

Summary

A vulnerability was found in Avahi, where a reachable assertion exists in avahi_dns_packet_append_record.

Severity

6.2 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-08-29 13:53 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

redhat redhat root

References

3 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2023-38469	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2191687	issue-trackingx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

6 products

Vendor	Product	Version
n/a	avahi
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Fedora	Fedora

Date Public

2023-04-26 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2023-38471 (GCVE-0-2023-38471)

Vulnerability from cvelistv5 – Published: 2023-11-02 14:58 – Updated: 2025-11-03 21:49

Title

Reachable assertion in dbus_set_host_name

Summary

A vulnerability was found in Avahi. A reachable assertion exists in the dbus_set_host_name function.

Severity

6.2 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-08-29 13:54 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

redhat redhat root

References

3 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2023-38471	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2191691	issue-trackingx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2024…

Impacted products

6 products

Vendor	Product	Version
n/a	avahi
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Fedora	Fedora

Date Public

2023-04-26 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2025:20032-1

CVE-2023-38469 (GCVE-0-2023-38469)

CVE-2023-38471 (GCVE-0-2023-38471)

Tags

Sightings

Nomenclature

Related by attack behaviour