Vulnerability-Lookup

alsa-2021:4464

Vulnerability from osv_almalinux

Published

2021-11-09 09:25

Modified

2021-11-12 10:21

Summary

Moderate: dnf security and bug fix update

Details

dnf is a package manager that allows users to manage packages on their systems. It supports RPMs, modules and comps groups & environments.

Security Fix(es):

libdnf: Signature verification bypass via signature placed in the main RPM header (CVE-2021-3445)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "libdnf-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.63.0-3.el8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "dnf is a package manager that allows users to manage packages on their systems. It supports RPMs, modules and comps groups \u0026 environments.\n\nSecurity Fix(es):\n\n* libdnf: Signature verification bypass via signature placed in the main RPM header (CVE-2021-3445)\n\nFor 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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
  "id": "ALSA-2021:4464",
  "modified": "2021-11-12T10:21:01Z",
  "published": "2021-11-09T09:25:37Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-3445"
    }
  ],
  "related": [
    "CVE-2021-3445"
  ],
  "summary": "Moderate: dnf security and bug fix update"
}

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

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

Summary

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.

Severity ?

No CVSS data available.

CWE

CWE-347

Assigner

redhat

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

	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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          "product": "libdnf",
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          "versions": [
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}

Sightings

Author	Source	Type	Date

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.

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