Vulnerability-Lookup

GHSA-PQR9-248W-H9PF

Vulnerability from github – Published: 2022-05-24 16:44 – Updated: 2024-04-04 00:10

Details

A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird < 60.5.1.

Severity

5.3 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2018-18509"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-04-26T17:29:00Z",
    "severity": "MODERATE"
  },
  "details": "A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird as having a valid digital signature, even if the shown message contents aren\u0027t covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. This vulnerability affects Thunderbird \u003c 60.5.1.",
  "id": "GHSA-pqr9-248w-h9pf",
  "modified": "2024-04-04T00:10:56Z",
  "published": "2022-05-24T16:44:43Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18509"
    },
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      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:1144"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1507218"
    },
    {
      "type": "WEB",
      "url": "https://github.com/RUB-NDS/Johnny-You-Are-Fired"
    },
    {
      "type": "WEB",
      "url": "https://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2019-06"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00043.html"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html"
    },
    {
      "type": "WEB",
      "url": "http://seclists.org/fulldisclosure/2019/Apr/38"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2019/04/30/4"
    }
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  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2018-18509 (GCVE-0-2018-18509)

Vulnerability from cvelistv5 – Published: 2019-04-26 16:13 – Updated: 2024-08-05 11:08

Summary

Severity

No CVSS data available.

CWE

S/MIME signature spoofing

Assigner

mozilla mitre root

References

9 references

URL	Tags
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1507218	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2019/04/30/4	mailing-listx_refsource_MLIST
http://seclists.org/fulldisclosure/2019/Apr/38	mailing-listx_refsource_FULLDISC
http://packetstormsecurity.com/files/152703/Johnn…	x_refsource_MISC
https://access.redhat.com/errata/RHSA-2019:1144	vendor-advisoryx_refsource_REDHAT
https://github.com/RUB-NDS/Johnny-You-Are-Fired	x_refsource_MISC
https://github.com/RUB-NDS/Johnny-You-Are-Fired/b…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mozilla	Thunderbird	Affected: unspecified , < 60.5.1 (custom)

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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.

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.

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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.

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GHSA-PQR9-248W-H9PF

CVE-2018-18509 (GCVE-0-2018-18509)

Tags

Sightings

Nomenclature

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