Vulnerability-Lookup

oesa-2023-1346

Vulnerability from osv_openeuler

Published

2023-06-10 11:05

Modified

2026-08-06 11:05

Summary

curl security update

Details

cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.

Security Fix(es):

An information disclosure vulnerability exists in curl <v8.1.0 when doing HTTP(S) transfers, libcurl might erroneously use the read callback (CURLOPT_READFUNCTION) to ask for data to send, even when the CURLOPT_POSTFIELDS option has been set, if the same handle previously wasused to issue a PUT request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the second transfer. The problem exists in the logic for a reused handle when it is (expected to be) changed from a PUT to a POST.(CVE-2023-28322)

An improper certificate validation vulnerability exists in curl <v8.1.0 in the way it supports matching of wildcard patterns when listed as "Subject Alternative Name" in TLS server certificates. curl can be built to use its own name matching function for TLS rather than one provided by a TLS library. This private wildcard matching function would match IDN (International Domain Name) hosts incorrectly and could as a result accept patterns that otherwise should mismatch. IDN hostnames are converted to puny code before used for certificate checks. Puny coded names always start with xn-- and should not be allowed to pattern match, but the wildcard check in curl could still check for x*, which would match even though the IDN name most likely contained nothing even resembling an x.(CVE-2023-28321)

Severity

6.5 (Medium)


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

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2023-28322	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2023-28321	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "curl-debugsource-7.71.1-27.oe1.aarch64.rpm",
          "libcurl-7.71.1-27.oe1.aarch64.rpm",
          "libcurl-devel-7.71.1-27.oe1.aarch64.rpm",
          "curl-debuginfo-7.71.1-27.oe1.aarch64.rpm",
          "curl-7.71.1-27.oe1.aarch64.rpm"
        ],
        "noarch": [
          "curl-help-7.71.1-27.oe1.noarch.rpm"
        ],
        "src": [
          "curl-7.71.1-27.oe1.src.rpm"
        ],
        "x86_64": [
          "libcurl-7.71.1-27.oe1.x86_64.rpm",
          "libcurl-devel-7.71.1-27.oe1.x86_64.rpm",
          "curl-debuginfo-7.71.1-27.oe1.x86_64.rpm",
          "curl-debugsource-7.71.1-27.oe1.x86_64.rpm",
          "curl-7.71.1-27.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "curl",
        "purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.71.1-27.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "libcurl-devel-7.71.1-27.oe1.aarch64.rpm",
          "libcurl-7.71.1-27.oe1.aarch64.rpm",
          "curl-7.71.1-27.oe1.aarch64.rpm",
          "curl-debuginfo-7.71.1-27.oe1.aarch64.rpm",
          "curl-debugsource-7.71.1-27.oe1.aarch64.rpm"
        ],
        "noarch": [
          "curl-help-7.71.1-27.oe1.noarch.rpm"
        ],
        "src": [
          "curl-7.71.1-27.oe1.src.rpm"
        ],
        "x86_64": [
          "curl-7.71.1-27.oe1.x86_64.rpm",
          "curl-debugsource-7.71.1-27.oe1.x86_64.rpm",
          "libcurl-7.71.1-27.oe1.x86_64.rpm",
          "libcurl-devel-7.71.1-27.oe1.x86_64.rpm",
          "curl-debuginfo-7.71.1-27.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP3",
        "name": "curl",
        "purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-20.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.71.1-27.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "curl-debugsource-7.79.1-17.oe2203.aarch64.rpm",
          "libcurl-7.79.1-17.oe2203.aarch64.rpm",
          "curl-7.79.1-17.oe2203.aarch64.rpm",
          "libcurl-devel-7.79.1-17.oe2203.aarch64.rpm",
          "curl-debuginfo-7.79.1-17.oe2203.aarch64.rpm",
          "libcurl-devel-7.79.1-17.oe2203sp1.aarch64.rpm",
          "curl-debuginfo-7.79.1-17.oe2203sp1.aarch64.rpm",
          "curl-debugsource-7.79.1-17.oe2203sp1.aarch64.rpm",
          "libcurl-7.79.1-17.oe2203sp1.aarch64.rpm",
          "curl-7.79.1-17.oe2203sp1.aarch64.rpm"
        ],
        "noarch": [
          "curl-help-7.79.1-17.oe2203.noarch.rpm",
          "curl-help-7.79.1-17.oe2203sp1.noarch.rpm"
        ],
        "src": [
          "curl-7.79.1-17.oe2203.src.rpm",
          "curl-7.79.1-17.oe2203sp1.src.rpm"
        ],
        "x86_64": [
          "curl-debugsource-7.79.1-17.oe2203.x86_64.rpm",
          "curl-debuginfo-7.79.1-17.oe2203.x86_64.rpm",
          "libcurl-7.79.1-17.oe2203.x86_64.rpm",
          "libcurl-devel-7.79.1-17.oe2203.x86_64.rpm",
          "curl-7.79.1-17.oe2203.x86_64.rpm",
          "curl-debuginfo-7.79.1-17.oe2203sp1.x86_64.rpm",
          "libcurl-devel-7.79.1-17.oe2203sp1.x86_64.rpm",
          "curl-7.79.1-17.oe2203sp1.x86_64.rpm",
          "libcurl-7.79.1-17.oe2203sp1.x86_64.rpm",
          "curl-debugsource-7.79.1-17.oe2203sp1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS",
        "name": "curl",
        "purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-22.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.79.1-17.oe2203sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "libcurl-devel-7.79.1-17.oe2203sp1.aarch64.rpm",
          "curl-debuginfo-7.79.1-17.oe2203sp1.aarch64.rpm",
          "curl-debugsource-7.79.1-17.oe2203sp1.aarch64.rpm",
          "libcurl-7.79.1-17.oe2203sp1.aarch64.rpm",
          "curl-7.79.1-17.oe2203sp1.aarch64.rpm"
        ],
        "noarch": [
          "curl-help-7.79.1-17.oe2203sp1.noarch.rpm"
        ],
        "src": [
          "curl-7.79.1-17.oe2203sp1.src.rpm"
        ],
        "x86_64": [
          "curl-debuginfo-7.79.1-17.oe2203sp1.x86_64.rpm",
          "libcurl-devel-7.79.1-17.oe2203sp1.x86_64.rpm",
          "curl-7.79.1-17.oe2203sp1.x86_64.rpm",
          "libcurl-7.79.1-17.oe2203sp1.x86_64.rpm",
          "curl-debugsource-7.79.1-17.oe2203sp1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP1",
        "name": "curl",
        "purl": "pkg:rpm/openEuler/curl\u0026distro=openEuler-22.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.79.1-17.oe2203sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "cURL is a computer software project providing a library (libcurl) and command-line tool (curl) for transferring data using various protocols.\r\n\r\nSecurity Fix(es):\r\n\r\nAn information disclosure vulnerability exists in curl \u0026lt;v8.1.0 when doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously wasused to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the second transfer. The problem exists in the logic for a reused handle when it is (expected to be) changed from a PUT to a POST.(CVE-2023-28322)\r\n\r\nAn improper certificate validation vulnerability exists in curl \u0026lt;v8.1.0 in the way it supports matching of wildcard patterns when listed as \u0026quot;Subject Alternative Name\u0026quot; in TLS server certificates. curl can be built to use its own name matching function for TLS rather than one provided by a TLS library. This private wildcard matching function would match IDN (International Domain Name) hosts incorrectly and could as a result accept patterns that otherwise should mismatch. IDN hostnames are converted to puny code before used for certificate checks. Puny coded names always start with `xn--` and should not be allowed to pattern match, but the wildcard check in curl could still check for `x*`, which would match even though the IDN name most likely contained nothing even resembling an `x`.(CVE-2023-28321)",
  "id": "OESA-2023-1346",
  "modified": "2026-08-06T11:05:49Z",
  "published": "2023-06-10T11:05:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1346"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28322"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28321"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "curl security update",
  "upstream": [
    "CVE-2023-28322",
    "CVE-2023-28321"
  ]
}

CVE-2023-28321 (GCVE-0-2023-28321)

Vulnerability from cvelistv5 – Published: 2023-05-26 00:00 – Updated: 2025-01-15 15:54

Summary

An improper certificate validation vulnerability exists in curl <v8.1.0 in the way it supports matching of wildcard patterns when listed as "Subject Alternative Name" in TLS server certificates. curl can be built to use its own name matching function for TLS rather than one provided by a TLS library. This private wildcard matching function would match IDN (International Domain Name) hosts incorrectly and could as a result accept patterns that otherwise should mismatch. IDN hostnames are converted to puny code before used for certificate checks. Puny coded names always start with `xn--` and should not be allowed to pattern match, but the wildcard check in curl could still check for `x*`, which would match even though the IDN name most likely contained nothing even resembling an `x`.

Severity

5.9 (Medium)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-15 15:54 UTC

CWE

CWE-295 - Improper Certificate Validation (CWE-295)

Assigner

hackerone mitre root

References

12 references

URL	Tags
https://hackerone.com/reports/1950627
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.netapp.com/advisory/ntap-2023060…
https://support.apple.com/kb/HT213843
https://support.apple.com/kb/HT213844
https://support.apple.com/kb/HT213845
http://seclists.org/fulldisclosure/2023/Jul/52	mailing-list
http://seclists.org/fulldisclosure/2023/Jul/48	mailing-list
http://seclists.org/fulldisclosure/2023/Jul/47	mailing-list
https://security.gentoo.org/glsa/202310-12	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	https://github.com/curl/curl	Affected: Fixed in 8.1.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:38:24.939Z",
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F4I75RDGX5ULSSCBE5BF3P5I5SFO7ULQ/"
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            "url": "https://support.apple.com/kb/HT213843"
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            "url": "https://support.apple.com/kb/HT213844"
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            "tags": [
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        "title": "CVE Program Container"
      },
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        "metrics": [
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            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.9,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
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              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
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    "cna": {
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          "product": "https://github.com/curl/curl",
          "vendor": "n/a",
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        },
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        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230609-0009/"
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        },
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          "tags": [
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    "assignerShortName": "hackerone",
    "cveId": "CVE-2023-28321",
    "datePublished": "2023-05-26T00:00:00.000Z",
    "dateReserved": "2023-03-14T00:00:00.000Z",
    "dateUpdated": "2025-01-15T15:54:33.745Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1"
}

CVE-2023-28322 (GCVE-0-2023-28322)

Vulnerability from cvelistv5 – Published: 2023-05-26 00:00 – Updated: 2026-02-13 19:43

Summary

An information disclosure vulnerability exists in curl <v8.1.0 when doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously wasused to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the second transfer. The problem exists in the logic for a reused handle when it is (expected to be) changed from a PUT to a POST.

Severity

5.3 (Medium)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-13 19:43 UTC

CWE

CWE-200 - Information Disclosure (CWE-200)

Assigner

hackerone mitre root

References

12 references

URL	Tags
https://hackerone.com/reports/1954658
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://security.netapp.com/advisory/ntap-2023060…
https://support.apple.com/kb/HT213843
https://support.apple.com/kb/HT213844
https://support.apple.com/kb/HT213845
http://seclists.org/fulldisclosure/2023/Jul/52	mailing-list
http://seclists.org/fulldisclosure/2023/Jul/48	mailing-list
http://seclists.org/fulldisclosure/2023/Jul/47	mailing-list
https://security.gentoo.org/glsa/202310-12	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	https://github.com/curl/curl	Affected: Fixed in 8.1.0

Show details on NVD website

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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

oesa-2023-1346

Vulnerability from osv_openeuler

CVE-2023-28321 (GCVE-0-2023-28321)

CVE-2023-28322 (GCVE-0-2023-28322)

Tags

Sightings

Nomenclature

Related by attack behaviour