Vulnerability-Lookup

ubuntu-cve-2018-16151

Vulnerability from osv_ubuntu

Published

2018-09-24 12:00

Modified

2025-12-08 04:48

Summary

Details

In verify_emsa_pkcs1_signature() in gmp_rsa_public_key.c in the gmp plugin in strongSwan 4.x and 5.x before 5.7.0, the RSA implementation based on GMP does not reject excess data after the encoded algorithm OID during PKCS#1 v1.5 signature verification. Similar to the flaw in the same version of strongSwan regarding digestAlgorithm.parameters, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation when only an RSA signature is used for IKEv2 authentication.

Severity

7.5 (High)


                    
                      CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 (High)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2018-16151	REPORT
	https://www.strongswan.org/blog/2018/09/24/strong…	REPORT
	https://ubuntu.com/security/notices/USN-3771-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2018-16151	REPORT

JSON

To clipboard

{
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            }
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.1.2-0ubuntu6",
        "5.1.2-0ubuntu7",
        "5.1.2-0ubuntu8",
        "5.3.5-1ubuntu1",
        "5.3.5-1ubuntu2",
        "5.3.5-1ubuntu3",
        "5.3.5-1ubuntu3.1",
        "5.3.5-1ubuntu3.2",
        "5.3.5-1ubuntu3.3",
        "5.3.5-1ubuntu3.4",
        "5.3.5-1ubuntu3.5"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "charon-cmd",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "charon-systemd",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libcharon-standard-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan",
            "binary_version": "5.6.2-1ubuntu2.2"
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          {
            "binary_name": "strongswan-charon",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.6.2-1ubuntu2.2"
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          {
            "binary_name": "strongswan-nm",
            "binary_version": "5.6.2-1ubuntu2.2"
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          {
            "binary_name": "strongswan-pki",
            "binary_version": "5.6.2-1ubuntu2.2"
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            "binary_version": "5.6.2-1ubuntu2.2"
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          {
            "binary_name": "strongswan-starter",
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        "5.6.1-2ubuntu4",
        "5.6.2-1ubuntu2"
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  ],
  "aliases": [],
  "details": "In verify_emsa_pkcs1_signature() in gmp_rsa_public_key.c in the gmp plugin in strongSwan 4.x and 5.x before 5.7.0, the RSA implementation based on GMP does not reject excess data after the encoded algorithm OID during PKCS#1 v1.5 signature verification. Similar to the flaw in the same version of strongSwan regarding digestAlgorithm.parameters, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation when only an RSA signature is used for IKEv2 authentication.",
  "id": "UBUNTU-CVE-2018-16151",
  "modified": "2025-12-08T04:48:04Z",
  "published": "2018-09-24T12:00:00Z",
  "references": [
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    },
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    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3771-1"
    },
    {
      "type": "REPORT",
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    }
  ],
  "related": [
    "USN-3771-1"
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  "schema_version": "1.7.0",
  "severity": [
    {
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      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-16151"
  ]
}

CVE-2018-16151 (GCVE-0-2018-16151)

Vulnerability from cvelistv5 – Published: 2018-09-26 21:00 – Updated: 2025-12-03 20:26

Summary

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-347 - Improper Verification of Cryptographic Signature

Assigner

mitre

References

8 references

URL	Tags
https://www.debian.org/security/2018/dsa-4305	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201811-16	vendor-advisoryx_refsource_GENTOO
https://www.strongswan.org/blog/2018/09/24/strong…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3771-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2018-09-24 00:00

Show details on NVD website

JSON

To clipboard

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usn-3771-1

Vulnerability from osv_ubuntu

Published

2018-09-25 12:34

Modified

2026-02-10 04:41

Summary

strongswan vulnerabilities

Details

It was discovered that strongSwan incorrectly handled IKEv2 key derivation. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service. (CVE-2018-10811)

Sze Yiu Chau discovered that strongSwan incorrectly handled parsing OIDs in the gmp plugin. A remote attacker could possibly use this issue to bypass authorization. (CVE-2018-16151)

Sze Yiu Chau discovered that strongSwan incorrectly handled certain parameters fields in the gmp plugin. A remote attacker could possibly use this issue to bypass authorization. (CVE-2018-16152)

It was discovered that strongSwan incorrectly handled the stroke plugin. A local administrator could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2018-5388)

References

URL

Type

	https://ubuntu.com/security/notices/USN-3771-1	ADVISORY
	https://ubuntu.com/security/CVE-2018-5388	REPORT
	https://ubuntu.com/security/CVE-2018-10811	REPORT
	https://ubuntu.com/security/CVE-2018-16151	REPORT
	https://ubuntu.com/security/CVE-2018-16152	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-5388",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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                },
                {
                  "score": "low",
                  "type": "Ubuntu"
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              ]
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            {
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              "severity": [
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            },
            {
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        "5.3.5-1ubuntu1",
        "5.3.5-1ubuntu2",
        "5.3.5-1ubuntu3",
        "5.3.5-1ubuntu3.1",
        "5.3.5-1ubuntu3.2",
        "5.3.5-1ubuntu3.3",
        "5.3.5-1ubuntu3.4",
        "5.3.5-1ubuntu3.5"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2018-5388",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-10811",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16151",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2018-16152",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "charon-cmd",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "charon-systemd",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libcharon-extra-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libcharon-standard-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-extra-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "libstrongswan-standard-plugins",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-charon",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-libcharon",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-nm",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-pki",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-scepclient",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-starter",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-swanctl",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-tnc-base",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-tnc-client",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-tnc-ifmap",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-tnc-pdp",
            "binary_version": "5.6.2-1ubuntu2.2"
          },
          {
            "binary_name": "strongswan-tnc-server",
            "binary_version": "5.6.2-1ubuntu2.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "strongswan",
        "purl": "pkg:deb/ubuntu/strongswan@5.6.2-1ubuntu2.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.6.2-1ubuntu2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.5.1-4ubuntu2",
        "5.5.1-4ubuntu3",
        "5.6.1-2ubuntu1",
        "5.6.1-2ubuntu2",
        "5.6.1-2ubuntu3",
        "5.6.1-2ubuntu4",
        "5.6.2-1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that strongSwan incorrectly handled IKEv2 key derivation.\nA remote attacker could possibly use this issue to cause strongSwan to\ncrash, resulting in a denial of service. (CVE-2018-10811)\n\nSze Yiu Chau discovered that strongSwan incorrectly handled parsing OIDs in\nthe gmp plugin. A remote attacker could possibly use this issue to bypass\nauthorization. (CVE-2018-16151)\n\nSze Yiu Chau discovered that strongSwan incorrectly handled certain\nparameters fields in the gmp plugin. A remote attacker could possibly use\nthis issue to bypass authorization. (CVE-2018-16152)\n\nIt was discovered that strongSwan incorrectly handled the stroke plugin. A\nlocal administrator could use this issue to cause a denial of service, or\npossibly execute arbitrary code. (CVE-2018-5388)\n",
  "id": "USN-3771-1",
  "modified": "2026-02-10T04:41:25Z",
  "published": "2018-09-25T12:34:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3771-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-5388"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-10811"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16151"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-16152"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "strongswan vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2018-5388",
    "UBUNTU-CVE-2018-10811",
    "UBUNTU-CVE-2018-16151",
    "UBUNTU-CVE-2018-16152"
  ]
}

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.

Action not permitted

ubuntu-cve-2018-16151

Vulnerability from osv_ubuntu

CVE-2018-16151 (GCVE-0-2018-16151)

usn-3771-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature