CVE-2020-36426 - Vulnerability Details - OpenCVE

An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte).

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00225.

Key SSVC decision points have not yet been added.

Vendors	Products
Arm	Mbed Tls
Debian	Debian Linux

Configuration 1 [-]

OR	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls::::::::

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
Debian DLA	DLA-3249-1	mbedtls security update
EUVD	EUVD-2020-23954	An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte).

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugs.gentoo.org/740108
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8
https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0
https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-07-19T00:00:00

Updated: 2024-08-04T17:30:07.290Z

Reserved: 2021-07-19T00:00:00

Link: CVE-2020-36426

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-19T17:15:11.367

Modified: 2024-11-21T05:29:28.957

Link: CVE-2020-36426

Redhat

No data.

OpenCVE Enrichment

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "7B433A90-3067-4BE3-8ADC-27526D105208", "versionEndExcluding": "2.7.17", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "5FCB1BC3-0374-4CD1-9DF9-AFB95CD1345A", "versionEndExcluding": "2.16.8", "versionStartIncluding": "2.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "matchCriteriaId": "6180181F-E908-42B7-BBF2-15C437DCC34D", "versionEndExcluding": "2.24.0", "versionStartIncluding": "2.17.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte)."}, {"lang": "es", "value": "Se ha detectado un problema en Arm Mbed TLS versiones anteriores a 2.24.0. la funci\u00f3n mbedtls_x509_crl_parse_der presenta lectura excesiva del b\u00fafer (de un byte)"}], "id": "CVE-2020-36426", "lastModified": "2024-11-21T05:29:28.957", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-19T17:15:11.367", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.gentoo.org/740108"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugs.gentoo.org/740108"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}