CVE-2018-20820 - Vulnerability Details - OpenCVE

Description

read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file.

Published: 2019-04-23

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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:dropbox:lepton:1.2.1:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-13362	read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file.

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00286.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761
https://github.com/dropbox/lepton/issues/111

History

No history.

Subscriptions

Dropbox Lepton

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-04-23T13:53:49.000Z

Updated: 2024-08-05T12:12:27.362Z

Reserved: 2019-04-23T00:00:00.000Z

Link: CVE-2018-20820

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-04-23T14:29:00.367

Modified: 2024-11-21T04:02:15.313

Link: CVE-2018-20820

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-190

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-04-23T13:53:49.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/dropbox/lepton/issues/111"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-20820", "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": "read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/dropbox/lepton/issues/111", "refsource": "MISC", "url": "https://github.com/dropbox/lepton/issues/111"}, {"name": "https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761", "refsource": "MISC", "url": "https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T12:12:27.362Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/dropbox/lepton/issues/111"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-20820", "datePublished": "2019-04-23T13:53:49.000Z", "dateReserved": "2019-04-23T00:00:00.000Z", "dateUpdated": "2024-08-05T12:12:27.362Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "6DCDBF54-A4B3-4D67-A014-6ECC38D58621", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file."}, {"lang": "es", "value": "En read_ujpg en jpgcoder.cc en Dropbox Lepton versi\u00f3n 1.2.1 hay una vulnerabilidad que permite a los atacantes provocar una denegaci\u00f3n de servicio (bloqueo de tiempo de ejecuci\u00f3n de la aplicaci\u00f3n debido a un desbordamiento de enteros) por medio de un archivo creado"}], "id": "CVE-2018-20820", "lastModified": "2024-11-21T04:02:15.313", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-23T14:29:00.367", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/dropbox/lepton/issues/111"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/dropbox/lepton/issues/111"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}