Vulnerability-Lookup

FKIE_CVE-2019-16928

Vulnerability from fkie_nvd - Published: 2019-09-27 21:15 - Updated: 2026-06-17 02:22

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than CVE-2019-15846. There is a heap-based buffer overflow in string_vformat in string.c involving a long EHLO command.

References

URL	Tags
cve@mitre.org	http://www.openwall.com/lists/oss-security/2019/09/28/1	Exploit, Mailing List, Mitigation, Third Party Advisory
cve@mitre.org	http://www.openwall.com/lists/oss-security/2019/09/28/2	Exploit, Mailing List, Third Party Advisory
cve@mitre.org	http://www.openwall.com/lists/oss-security/2019/09/28/3	Mailing List, Third Party Advisory
cve@mitre.org	http://www.openwall.com/lists/oss-security/2019/09/28/4	Mailing List, Third Party Advisory
cve@mitre.org	https://bugs.exim.org/show_bug.cgi?id=2449	Issue Tracking, Patch, Vendor Advisory
cve@mitre.org	https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f	Patch
cve@mitre.org	https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html	Vendor Advisory
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/	Release Notes
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/	Release Notes
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/	Release Notes
cve@mitre.org	https://seclists.org/bugtraq/2019/Sep/60	Mailing List, Third Party Advisory
cve@mitre.org	https://security.gentoo.org/glsa/202003-47	Third Party Advisory
cve@mitre.org	https://usn.ubuntu.com/4141-1/	Third Party Advisory
cve@mitre.org	https://www.debian.org/security/2019/dsa-4536	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2019/09/28/1	Exploit, Mailing List, Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2019/09/28/2	Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2019/09/28/3	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2019/09/28/4	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugs.exim.org/show_bug.cgi?id=2449	Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.exim.org/lurker/message/20190927.032457.c1044d4c.en.html	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EED7HM3MFIBAP5OIMJAFJ35JAJABTVSC/	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T3TJW4HPYH3O5HZCWGD6NSHTEBTTAPDC/	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UY6HPRW7MR3KBQ5JFHH6OXM7YCZBJCOB/	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://seclists.org/bugtraq/2019/Sep/60	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202003-47	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://usn.ubuntu.com/4141-1/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2019/dsa-4536	Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-16928	US Government Resource

Impacted products

Vendor	Product	Version
exim	exim	*
canonical	ubuntu_linux	19.04
debian	debian_linux	10.0
fedoraproject	fedora	29
fedoraproject	fedora	30
fedoraproject	fedora	31

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cisaActionDue": "2022-03-17",
  "cisaExploitAdd": "2022-03-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Exim Out-of-bounds Write Vulnerability",
  "configurations": [
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  "cveTags": [],
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    },
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    }
  ],
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  "lastModified": "2026-06-17T02:22:58.967",
  "metrics": {
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          "options": [
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            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-04T20:03:35.553352Z",
          "version": "2.0.3"
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    ]
  },
  "published": "2019-09-27T21:15:10.017",
  "references": [
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        "Third Party Advisory"
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    {
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        "Patch",
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    {
      "source": "cve@mitre.org",
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    },
    {
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      ],
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
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}

CVE-2019-16928 (GCVE-0-2019-16928)

Vulnerability from cvelistv5 – Published: 2019-09-27 20:07 – Updated: 2025-10-21 23:45

Summary

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: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-04 20:03 UTC

CWE

n/a
CWE-787 - Out-of-bounds Write

Assigner

mitre mitre root Scorecard

References

15 references

URL	Tags
https://lists.exim.org/lurker/message/20190927.03…	x_refsource_MISC
https://bugs.exim.org/show_bug.cgi?id=2449	x_refsource_MISC
https://git.exim.org/exim.git/commit/478effbfd9c3…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2019/09/28/1	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/28/2	mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2019/09/28/3	mailing-listx_refsource_MLIST
https://www.debian.org/security/2019/dsa-4536	vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/4141-1/	vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2019/09/28/4	mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/Sep/60	mailing-listx_refsource_BUGTRAQ
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/202003-47	vendor-advisoryx_refsource_GENTOO
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T01:24:48.568Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://git.exim.org/exim.git/commit/478effbfd9c3cc5a627fc671d4bf94d13670d65f"
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          {
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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.

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.

Action not permitted

FKIE_CVE-2019-16928

CVE-2019-16928 (GCVE-0-2019-16928)

Tags

Sightings

Nomenclature

Related by attack behaviour