CVE-2018-21027

View on CVE.org

Published Oct 11, 2019 CVSS 3.1 · 9.8 Critical EPSS 2.4% KEV · Not listed

Description

Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:boa:boa:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-13549	Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.4% (2.369% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/gpg/boa/pull/1
https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e

History

No history.

Subscriptions

Boa Boa

Weaknesses

CWE-119

Sources

CVE record Updated: Aug 5, 2024, 12:19 PM

Status: PUBLISHED
Assigner: mitre
Published: Oct 11, 2019, 7:28 PM
Updated: Aug 5, 2024, 12:19 PM
Reserved: Oct 11, 2019, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:53 AM

Status: Modified
Published: Oct 11, 2019, 8:15 PM
Modified: Jun 17, 2026, 1:53 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-06-12T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-10-11T19:28:42.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gpg/boa/pull/1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-21027", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/gpg/boa/pull/1", "refsource": "CONFIRM", "url": "https://github.com/gpg/boa/pull/1"}, {"name": "https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e", "refsource": "CONFIRM", "url": "https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T12:19:27.379Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/gpg/boa/pull/1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-21027", "datePublished": "2019-10-11T19:28:42.000Z", "dateReserved": "2019-10-11T00:00:00.000Z", "dateUpdated": "2024-08-05T12:19:27.379Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:boa:boa:*:*:*:*:*:*:*:*", "matchCriteriaId": "5C4823CF-73E8-41BE-806D-A71BC4C3E211", "versionEndIncluding": "0.94.14.21", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled."}, {"lang": "es", "value": "Boa versiones hasta 0.94.14rc21, permite a atacantes remotos desencadenar una condici\u00f3n fuera de la memoria (OOM) porque malloc es manejada inapropiadamente."}], "id": "CVE-2018-21027", "lastModified": "2026-06-17T01:53:59.137", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-10-11T20:15:16.783", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/gpg/boa/pull/1"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/gpg/boa/pull/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}