CVE-2021-41093

Wire is an open source secure messenger. In affected versions if the an attacker gets an old but valid access token they can take over an account by changing the email. This issue has been resolved in version 3.86 which uses a new endpoint which additionally requires an authentication cookie. See wire-ios-sync-engine and wire-ios-transport references. This is the root advisory that pulls the changes together.

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/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj	Broken Link
https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7	Patch Third Party Advisory
https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m	Third Party Advisory
https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr	Broken Link
https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:wire:wire:*:*:*:*:*:iphone_os:*:*

Information

Published : 2021-10-04 12:15

Updated : 2022-08-12 10:48

NVD link : CVE-2021-41093

Mitre link : CVE-2021-41093

JSON object : View

CWE

CWE-863

Incorrect Authorization

Products Affected

wire

wire

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj", "name": "https://github.com/wireapp/wire-ios-sync-engine/security/advisories/GHSA-w727-5f74-49xj", "tags": ["Broken Link"], "refsource": "MISC"}, {"url": "https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7", "name": "https://github.com/wireapp/wire-ios/commit/b0e7bb3b13dd8212032cb46e32edf701694687c7", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m", "name": "https://github.com/wireapp/wire-server/security/advisories/GHSA-9rm2-w6pq-333m", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr", "name": "https://github.com/wireapp/wire-ios-transport/security/advisories/GHSA-p354-6r3m-g4xr", "tags": ["Broken Link"], "refsource": "MISC"}, {"url": "https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255", "name": "https://github.com/wireapp/wire-ios/security/advisories/GHSA-6f4c-phfj-m255", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Wire is an open source secure messenger. In affected versions if the an attacker gets an old but valid access token they can take over an account by changing the email. This issue has been resolved in version 3.86 which uses a new endpoint which additionally requires an authentication cookie. See wire-ios-sync-engine and wire-ios-transport references. This is the root advisory that pulls the changes together."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-863"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-41093", "ASSIGNER": "security-advisories@github.com"}}, "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": "2021-10-04T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:wire:wire:*:*:*:*:*:iphone_os:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.86"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-08-12T17:48Z"}

9.8 /10