Vulnerability-Lookup

OESA-2021-1224 (CVE-2021-3445)

Vulnerability from osv_openeuler – Published: 2021-06-22 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

libdnf security update

Details

A Library providing simplified C and Python API to libsolv.

Security Fix(es):

A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2021-3445)

Severity

8.8 (High)


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

References

URL

Type

	https://openeuler.org/en/security/safety-bulletin…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2021-3445	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "python3-hawkey-0.48.0-2.oe1.aarch64.rpm",
          "libdnf-devel-0.48.0-2.oe1.aarch64.rpm",
          "python2-libdnf-0.48.0-2.oe1.aarch64.rpm",
          "libdnf-debuginfo-0.48.0-2.oe1.aarch64.rpm",
          "python3-libdnf-0.48.0-2.oe1.aarch64.rpm",
          "libdnf-debugsource-0.48.0-2.oe1.aarch64.rpm",
          "libdnf-0.48.0-2.oe1.aarch64.rpm",
          "python2-hawkey-0.48.0-2.oe1.aarch64.rpm"
        ],
        "src": [
          "libdnf-0.48.0-2.oe1.src.rpm"
        ],
        "x86_64": [
          "libdnf-devel-0.48.0-2.oe1.x86_64.rpm",
          "python2-hawkey-0.48.0-2.oe1.x86_64.rpm",
          "python3-hawkey-0.48.0-2.oe1.x86_64.rpm",
          "libdnf-debuginfo-0.48.0-2.oe1.x86_64.rpm",
          "python3-libdnf-0.48.0-2.oe1.x86_64.rpm",
          "libdnf-debugsource-0.48.0-2.oe1.x86_64.rpm",
          "libdnf-0.48.0-2.oe1.x86_64.rpm",
          "python2-libdnf-0.48.0-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "libdnf",
        "purl": "pkg:rpm/openEuler/libdnf\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.48.0-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "A Library providing simplified C and Python API to libsolv.\r\n\r\nSecurity Fix(es):\r\n\r\nA flaw was found in libdnf\u0026apos;s signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2021-3445)",
  "id": "OESA-2021-1224",
  "modified": "2026-08-06T11:04:27Z",
  "published": "2021-06-22T11:04:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1224"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3445"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "libdnf security update",
  "upstream": [
    "CVE-2021-3445"
  ]
}

CVE-2021-3445 (GCVE-0-2021-3445)

Vulnerability from cvelistv5 – Published: 2021-05-19 13:44 – Updated: 2024-08-03 16:53

Summary

Severity

No CVSS data available.

CWE

CWE-347

Assigner

redhat redhat root

References

3 references

URL	Tags
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://bugzilla.redhat.com/show_bug.cgi?id=1932079	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	libdnf	Affected: libdnf 0.60.1

Show details on NVD website

JSON

To clipboard

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    ],
    "cna": {
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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.