CVE-2021-44732

Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12	Release Notes
https://github.com/ARMmbed/mbedtls/releases	Release Notes
https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0	Release Notes
https://bugs.gentoo.org/829660	Issue Tracking Mailing List Third Party Advisory
https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0	Release Notes
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12	Exploit Mitigation Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls::::::::
	cpe:2.3:a:arm:mbed_tls:3.0.0:-::::::
	cpe:2.3:a:arm:mbed_tls:3.0.0:preview1::::::

Configuration 2 (hide)

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

Information

Published : 2021-12-20 00:15

Updated : 2023-02-23 16:09

NVD link : CVE-2021-44732

Mitre link : CVE-2021-44732

JSON object : View

CWE

CWE-415

Double Free

Products Affected

debian

debian_linux

arm

mbed_tls

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12", "name": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12", "tags": ["Release Notes"], "refsource": "CONFIRM"}, {"url": "https://github.com/ARMmbed/mbedtls/releases", "name": "https://github.com/ARMmbed/mbedtls/releases", "tags": ["Release Notes"], "refsource": "MISC"}, {"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0", "name": "https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0", "tags": ["Release Notes"], "refsource": "CONFIRM"}, {"url": "https://bugs.gentoo.org/829660", "name": "https://bugs.gentoo.org/829660", "tags": ["Issue Tracking", "Mailing List", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0", "name": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0", "tags": ["Release Notes"], "refsource": "CONFIRM"}, {"url": "https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12", "name": "https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html", "name": "[debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-415"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-44732", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2021-12-20T08:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.16.12"}, {"cpe23Uri": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.28.0", "versionStartIncluding": "2.17.0"}, {"cpe23Uri": "cpe:2.3:a:arm:mbed_tls:3.0.0:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:arm:mbed_tls:3.0.0:preview1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-24T00:09Z"}

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