Vulnerability-Lookup

RHSA-2023_7207

Vulnerability from csaf_redhat - Published: 2023-11-14 17:00 - Updated: 2024-11-23 01:01

Summary

Red Hat Security Advisory: c-ares security update

Severity

Moderate

Notes

Topic: An update for c-ares is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API. Security Fix(es): * c-ares: Heap buffer over read in ares_parse_soa_reply (CVE-2020-22217) * c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2020-22217

A heap buffer over-read flaw was found in c-ares via the ares_parse_soa_reply function in ares_parse_soa_reply.c.

5.9 (Medium)


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

CWE-126 - Buffer Over-read

Affected products

Fixed 21 products

Product	Version	Remediation
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-0:1.13.0-9.el8_9.1.aarch64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-0:1.13.0-9.el8_9.1.i686	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-0:1.13.0-9.el8_9.1.ppc64le	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-0:1.13.0-9.el8_9.1.s390x	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-0:1.13.0-9.el8_9.1.src	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-0:1.13.0-9.el8_9.1.x86_64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debuginfo-0:1.13.0-9.el8_9.1.aarch64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debuginfo-0:1.13.0-9.el8_9.1.i686	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debuginfo-0:1.13.0-9.el8_9.1.ppc64le	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debuginfo-0:1.13.0-9.el8_9.1.s390x	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debuginfo-0:1.13.0-9.el8_9.1.x86_64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debugsource-0:1.13.0-9.el8_9.1.aarch64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debugsource-0:1.13.0-9.el8_9.1.i686	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debugsource-0:1.13.0-9.el8_9.1.ppc64le	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debugsource-0:1.13.0-9.el8_9.1.s390x	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-debugsource-0:1.13.0-9.el8_9.1.x86_64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-devel-0:1.13.0-9.el8_9.1.aarch64	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-devel-0:1.13.0-9.el8_9.1.i686	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-devel-0:1.13.0-9.el8_9.1.ppc64le	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-devel-0:1.13.0-9.el8_9.1.s390x	—	Vendor Fix fix
Unresolved product id: BaseOS-8.9.0.Z.MAIN:c-ares-devel-0:1.13.0-9.el8_9.1.x86_64	—	Vendor Fix fix

Threats

Impact Moderate

CVE-2023-31130

A vulnerability was found in c-ares. This issue occurs in the ares_inet_net_pton() function, which is vulnerable to a buffer underflow for certain ipv6 addresses. "0::00:00:00/2" in particular was found to cause an issue. C-ares only uses this function internally for configuration purposes, which would require an administrator to configure such an address via ares_set_sortlist().

5.7 (Medium)


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

Affected products

Fixed 21 products, the same list as for CVE-2020-22217

Threats

Impact Moderate

References

16 references

URL	Category
https://access.redhat.com/errata/RHSA-2023:7207	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2209497	external
https://bugzilla.redhat.com/show_bug.cgi?id=2235527	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2020-22217	self
https://bugzilla.redhat.com/show_bug.cgi?id=2235527	external
https://www.cve.org/CVERecord?id=CVE-2020-22217	external
https://nvd.nist.gov/vuln/detail/CVE-2020-22217	external
https://github.com/c-ares/c-ares/issues/333	external
https://github.com/c-ares/c-ares/pull/332	external
https://access.redhat.com/security/cve/CVE-2023-31130	self
https://bugzilla.redhat.com/show_bug.cgi?id=2209497	external
https://www.cve.org/CVERecord?id=CVE-2023-31130	external
https://nvd.nist.gov/vuln/detail/CVE-2023-31130	external
https://github.com/c-ares/c-ares/security/advisor…	external

JSON

To clipboard

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CVE-2020-22217 (GCVE-0-2020-22217)

Vulnerability from cvelistv5 – Published: 2023-08-22 00:00 – Updated: 2024-10-03 19:59

Summary

Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.

Severity

No CVSS data available.

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-03 19:59 UTC

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://github.com/c-ares/c-ares/issues/333
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

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CVE-2023-31130 (GCVE-0-2023-31130)

Vulnerability from cvelistv5 – Published: 2023-05-25 21:45 – Updated: 2025-02-13 16:49

Title

Buffer Underwrite in ares_inet_net_pton()

Summary

c-ares is an asynchronous resolver library. ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular "0::00:00:00/2" was found to cause an issue. C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). However, users may externally use ares_inet_net_pton() for other purposes and thus be vulnerable to more severe issues. This issue has been fixed in 1.19.1.

Severity

4.1 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/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 2025-01-16 18:35 UTC

CWE

CWE-124 - Buffer Underwrite ('Buffer Underflow')

Assigner

GitHub_M mitre root

References

8 references

URL	Tags
https://github.com/c-ares/c-ares/security/advisor…	x_refsource_CONFIRM
https://github.com/c-ares/c-ares/releases/tag/car…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://www.debian.org/security/2023/dsa-5419
https://lists.debian.org/debian-lts-announce/2023…
https://security.gentoo.org/glsa/202310-09
https://security.netapp.com/advisory/ntap-2024060…

Impacted products

1 product

Vendor	Product	Version
c-ares	c-ares	Affected: < 1.19.1

Show details on NVD website

JSON

To clipboard

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        "dateUpdated": "2024-06-10T16:08:34.510Z",
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        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-x6mf-cxr9-8q6v"
        },
        {
          "name": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/c-ares/c-ares/releases/tag/cares-1_19_1"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B5Z5XFNXTNPTCBBVXFDNZQVLLIE6VRBY/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBFWILTA33LOSV23P44FGTQQIDRJHIY7/"
        },
        {
          "url": "https://www.debian.org/security/2023/dsa-5419"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00034.html"
        },
        {
          "url": "https://security.gentoo.org/glsa/202310-09"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240605-0005/"
        }
      ],
      "source": {
        "advisory": "GHSA-x6mf-cxr9-8q6v",
        "discovery": "UNKNOWN"
      },
      "title": "Buffer Underwrite in ares_inet_net_pton()"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-31130",
    "datePublished": "2023-05-25T21:45:42.645Z",
    "dateReserved": "2023-04-24T21:44:10.416Z",
    "dateUpdated": "2025-02-13T16:49:44.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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

RHSA-2023_7207

CVE-2020-22217 (GCVE-0-2020-22217)

CVE-2023-31130 (GCVE-0-2023-31130)

Tags

Sightings

Nomenclature

Related by attack behaviour