CVE-2021-28091

Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://git.entrouvert.org/lasso.git/commit/?id=076a37d7f0eb74001127481da2d355683693cde9	Patch Vendor Advisory
http://listes.entrouvert.com/arc/lasso/	Product
https://git.entrouvert.org/lasso.git/tree/NEWS?id=v2.7.0	Release Notes Vendor Advisory
https://www.debian.org/security/2021/dsa-4926	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00013.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SI4YAQF4VEV2KHQ6OXXZL7CJK7IZQ3EG/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YSVWOHBBWLI2RB5C6TXINFEJRT4YSD3D/	Mailing List Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:entrouvert:lasso:*:*:*:*:*:*:*:*

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)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Information

Published : 2021-06-04 08:15

Updated : 2021-12-02 05:55

NVD link : CVE-2021-28091

Mitre link : CVE-2021-28091

JSON object : View

CWE

CWE-347

Improper Verification of Cryptographic Signature

Advertisement

Products Affected

debian

debian_linux

fedoraproject

fedora

entrouvert

lasso

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://git.entrouvert.org/lasso.git/commit/?id=076a37d7f0eb74001127481da2d355683693cde9", "name": "https://git.entrouvert.org/lasso.git/commit/?id=076a37d7f0eb74001127481da2d355683693cde9", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "http://listes.entrouvert.com/arc/lasso/", "name": "http://listes.entrouvert.com/arc/lasso/", "tags": ["Product"], "refsource": "MISC"}, {"url": "https://git.entrouvert.org/lasso.git/tree/NEWS?id=v2.7.0", "name": "https://git.entrouvert.org/lasso.git/tree/NEWS?id=v2.7.0", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://www.debian.org/security/2021/dsa-4926", "name": "DSA-4926", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/06/msg00013.html", "name": "[debian-lts-announce] 20210610 [SECURITY] [DLA 2684-1] lasso security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SI4YAQF4VEV2KHQ6OXXZL7CJK7IZQ3EG/", "name": "FEDORA-2021-bb3ea1e191", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YSVWOHBBWLI2RB5C6TXINFEJRT4YSD3D/", "name": "FEDORA-2021-508acb1153", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-347"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-28091", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-06-04T15:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:entrouvert:lasso:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.7.0"}]}, {"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:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-12-02T13:55Z"}