Vulnerability-Lookup

OESA-2022-2021 (CVE-2022-3515)

Vulnerability from osv_openeuler – Published: 2022-10-28 11:05 – Updated: 2026-08-06 11:05 – Source website

Summary

libksba security update

Details

Libksba is a library to make the tasks of working with X.509 certificates,CMS data and related objects more easy. It provides a highlevel interface to the implemented protocols and presents the data in a consistent way.

Security Fix(es):

A bug found in libksba, the library used by GnuPG for parsing the ASN.1 structures as used by S/MIME. The bug affects all versions of Libksba before 1.6.2 and may be used for remote code execution.

https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html https://dev.gnupg.org/T6230 https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b https://lwn.net/Articles/911467/(CVE-2022-3515)

Severity

8.1 (High)


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

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-3515	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "libksba-debuginfo-1.4.0-3.oe1.aarch64.rpm",
          "libksba-debugsource-1.4.0-3.oe1.aarch64.rpm",
          "libksba-devel-1.4.0-3.oe1.aarch64.rpm",
          "libksba-1.4.0-3.oe1.aarch64.rpm"
        ],
        "noarch": [
          "libksba-help-1.4.0-3.oe1.noarch.rpm"
        ],
        "src": [
          "libksba-1.4.0-3.oe1.src.rpm"
        ],
        "x86_64": [
          "libksba-devel-1.4.0-3.oe1.x86_64.rpm",
          "libksba-debuginfo-1.4.0-3.oe1.x86_64.rpm",
          "libksba-1.4.0-3.oe1.x86_64.rpm",
          "libksba-debugsource-1.4.0-3.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "libksba",
        "purl": "pkg:rpm/openEuler/libksba\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.0-3.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "libksba-1.4.0-3.oe1.aarch64.rpm",
          "libksba-debuginfo-1.4.0-3.oe1.aarch64.rpm",
          "libksba-devel-1.4.0-3.oe1.aarch64.rpm",
          "libksba-debugsource-1.4.0-3.oe1.aarch64.rpm"
        ],
        "noarch": [
          "libksba-help-1.4.0-3.oe1.noarch.rpm"
        ],
        "src": [
          "libksba-1.4.0-3.oe1.src.rpm"
        ],
        "x86_64": [
          "libksba-debuginfo-1.4.0-3.oe1.x86_64.rpm",
          "libksba-1.4.0-3.oe1.x86_64.rpm",
          "libksba-devel-1.4.0-3.oe1.x86_64.rpm",
          "libksba-debugsource-1.4.0-3.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP3",
        "name": "libksba",
        "purl": "pkg:rpm/openEuler/libksba\u0026distro=openEuler-20.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.0-3.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "libksba-debuginfo-1.6.0-2.oe2203.aarch64.rpm",
          "libksba-devel-1.6.0-2.oe2203.aarch64.rpm",
          "libksba-debugsource-1.6.0-2.oe2203.aarch64.rpm",
          "libksba-1.6.0-2.oe2203.aarch64.rpm"
        ],
        "noarch": [
          "libksba-help-1.6.0-2.oe2203.noarch.rpm"
        ],
        "src": [
          "libksba-1.6.0-2.oe2203.src.rpm"
        ],
        "x86_64": [
          "libksba-devel-1.6.0-2.oe2203.x86_64.rpm",
          "libksba-debugsource-1.6.0-2.oe2203.x86_64.rpm",
          "libksba-1.6.0-2.oe2203.x86_64.rpm",
          "libksba-debuginfo-1.6.0-2.oe2203.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS",
        "name": "libksba",
        "purl": "pkg:rpm/openEuler/libksba\u0026distro=openEuler-22.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.0-2.oe2203"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "Libksba is a library to make the tasks of working with X.509 certificates,CMS data and related objects more easy. It provides a highlevel interface to the implemented protocols and presents the data in a consistent way.\r\n\r\nSecurity Fix(es):\r\n\r\nA bug found in libksba, the library used by GnuPG for parsing the ASN.1 structures as used by S/MIME. The bug affects all versions of Libksba before 1.6.2 and may be used for remote code execution. \r\n\r\nhttps://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html\nhttps://dev.gnupg.org/T6230\nhttps://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b\nhttps://lwn.net/Articles/911467/(CVE-2022-3515)",
  "id": "OESA-2022-2021",
  "modified": "2026-08-06T11:05:20Z",
  "published": "2022-10-28T11:05:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2021"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-3515"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "libksba security update",
  "upstream": [
    "CVE-2022-3515"
  ]
}

CVE-2022-3515 (GCVE-0-2022-3515)

Vulnerability from cvelistv5 – Published: 2023-01-12 00:00 – Updated: 2025-04-08 15:48

Summary

A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.

Severity

9.8 (Critical)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-08 15:48 UTC

CWE

CWE-190 - - Integer Overflow or Wraparound
CWE-190 - Integer Overflow or Wraparound

Assigner

redhat redhat root

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2135610
https://www.gnupg.org/blog/20221017-pepe-left-the…
https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f…
https://access.redhat.com/security/cve/CVE-2022-3515
https://security.netapp.com/advisory/ntap-2023070…

Impacted products

1 product

Vendor	Product	Version
n/a	libksba	Affected: Fixed in libksba v1.6.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:14:02.956Z",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2135610"
          },
          {
            "tags": [
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            ],
            "url": "https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b"
          },
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            "tags": [
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            "url": "https://access.redhat.com/security/cve/CVE-2022-3515"
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          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230706-0008/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-3515",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-08T15:48:11.884238Z",
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              },
              "type": "ssvc"
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                "description": "CWE-190 Integer Overflow or Wraparound",
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "product": "libksba",
          "vendor": "n/a",
          "versions": [
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          "url": "https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582b"
        },
        {
          "url": "https://access.redhat.com/security/cve/CVE-2022-3515"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230706-0008/"
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  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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    "cveId": "CVE-2022-3515",
    "datePublished": "2023-01-12T00:00:00.000Z",
    "dateReserved": "2022-10-14T00:00:00.000Z",
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  "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.
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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.
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OESA-2022-2021 (CVE-2022-3515)

CVE-2022-3515 (GCVE-0-2022-3515)

Tags

Sightings

Nomenclature

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