CVE-2021-26676

gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 3.3 LOW

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.openwall.com/lists/oss-security/2021/02/08/2	Mailing List Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1181751	Issue Tracking Third Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog	Release Notes Third Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa	Patch Third Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4847	Third Party Advisory
https://kunnamon.io/tbone/	Third Party Advisory
https://security.gentoo.org/glsa/202107-29	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:intel:connman:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Information

Published : 2021-02-09 08:15

Updated : 2022-05-06 13:59

NVD link : CVE-2021-26676

Mitre link : CVE-2021-26676

JSON object : View

CWE

NVD-CWE-noinfo

Advertisement

Products Affected

debian

debian_linux

intel

connman

opensuse

leap

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.openwall.com/lists/oss-security/2021/02/08/2", "name": "https://www.openwall.com/lists/oss-security/2021/02/08/2", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1181751", "name": "https://bugzilla.suse.com/show_bug.cgi?id=1181751", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog", "name": "https://git.kernel.org/pub/scm/network/connman/connman.git/tree/ChangeLog", "tags": ["Release Notes", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa", "name": "https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=58d397ba74873384aee449690a9070bacd5676fa", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1", "name": "https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a74524b3e3fad81b0fd1084ffdf9f2ea469cd9b1", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/02/msg00013.html", "name": "[debian-lts-announce] 20210209 [SECURITY] [DLA 2552-1] connman security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://www.debian.org/security/2021/dsa-4847", "name": "DSA-4847", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://kunnamon.io/tbone/", "name": "https://kunnamon.io/tbone/", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202107-29", "name": "GLSA-202107-29", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "gdhcp in ConnMan before 1.39 could be used by network-adjacent attackers to leak sensitive stack information, allowing further exploitation of bugs in gdhcp."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-26676", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 3.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2021-02-09T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:intel:connman:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.39"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-05-06T20:59Z"}