CVE-2021-33833 - Vulnerability Details - OpenCVE

Description

ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).

Published: 2021-06-09

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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:intel:connection_manager:*:*:*:*:*:*:*:*

Configuration 2 [-]

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-2915-1	connman security update
EUVD	EUVD-2021-20507	ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA).
Ubuntu USN	USN-6236-1	ConnMan vulnerabilities

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.

The EPSS score is 0.00155.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2021/06/09/1
http://www.openwall.com/lists/oss-security/2022/01/25/1
https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html
https://lore.kernel.org/connman/
https://security.gentoo.org/glsa/202107-29

History

No history.

Subscriptions

Debian Debian Linux

Intel Connection Manager

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-09T17:44:52.000Z

Updated: 2024-08-03T23:58:23.111Z

Reserved: 2021-06-03T00:00:00.000Z

Link: CVE-2021-33833

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-09T18:15:08.797

Modified: 2024-11-21T06:09:39.043

Link: CVE-2021-33833

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA)."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-02-09T11:06:12.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lore.kernel.org/connman/"}, {"name": "[oss-security] 20210609 connman stack buffer overflow in dnsproxy CVE-2021-33833", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2021/06/09/1"}, {"name": "GLSA-202107-29", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202107-29"}, {"name": "[oss-security] 20220125 Multiple vulnerabilities in connman's dnsproxy component", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2022/01/25/1"}, {"name": "[debian-lts-announce] 20220209 [SECURITY] [DLA 2915-1] connman security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-33833", "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": "ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://lore.kernel.org/connman/", "refsource": "MISC", "url": "https://lore.kernel.org/connman/"}, {"name": "[oss-security] 20210609 connman stack buffer overflow in dnsproxy CVE-2021-33833", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2021/06/09/1"}, {"name": "GLSA-202107-29", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202107-29"}, {"name": "[oss-security] 20220125 Multiple vulnerabilities in connman's dnsproxy component", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2022/01/25/1"}, {"name": "[debian-lts-announce] 20220209 [SECURITY] [DLA 2915-1] connman security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:58:23.111Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lore.kernel.org/connman/"}, {"name": "[oss-security] 20210609 connman stack buffer overflow in dnsproxy CVE-2021-33833", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2021/06/09/1"}, {"name": "GLSA-202107-29", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202107-29"}, {"name": "[oss-security] 20220125 Multiple vulnerabilities in connman's dnsproxy component", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/01/25/1"}, {"name": "[debian-lts-announce] 20220209 [SECURITY] [DLA 2915-1] connman security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-33833", "datePublished": "2021-06-09T17:44:52.000Z", "dateReserved": "2021-06-03T00:00:00.000Z", "dateUpdated": "2024-08-03T23:58:23.111Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:intel:connection_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABD29FF1-C935-4FC9-B8D5-8C18B6251D20", "versionEndIncluding": "1.39", "versionStartIncluding": "1.30", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "ConnMan (aka Connection Manager) 1.30 through 1.39 has a stack-based buffer overflow in uncompress in dnsproxy.c via NAME, RDATA, or RDLENGTH (for A or AAAA)."}, {"lang": "es", "value": "ConnMan (tambi\u00e9n se conoce como Connection Manager) versiones 1.30 hasta 1.39, presenta un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en el par\u00e1metro uncompress en el archivo dnsproxy.c por medio de NAME, RDATA o RDLENGTH (para A o AAAA)"}], "id": "CVE-2021-33833", "lastModified": "2024-11-21T06:09:39.043", "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": "2021-06-09T18:15:08.797", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/06/09/1"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/01/25/1"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://lore.kernel.org/connman/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-29"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2021/06/09/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/01/25/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00009.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://lore.kernel.org/connman/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-29"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}