CVE-2021-25980

In Talkyard, versions v0.04.01 through v0.6.74-WIP-63220cb, v0.2020.22-WIP-b2e97fe0e through v0.2021.02-WIP-879ef3fe1 and tyse-v0.2021.02-879ef3fe1-regular through tyse-v0.2021.28-af66b6905-regular, are vulnerable to Host Header Injection. By luring a victim application-user to click on a link, an unauthenticated attacker can use the “forgot password” functionality to reset the victim’s password and successfully take over their account.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289	Patch Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:talkyard:talkyard::::::::
	cpe:2.3:a:talkyard:talkyard::::::::
	cpe:2.3:a:talkyard:talkyard::::::::

History

No history.

Information

Published : 2021-11-11 07:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-25980

Mitre link : CVE-2021-25980

CVE.ORG link : CVE-2021-25980

JSON object : View

Products Affected

talkyard

talkyard

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

{"id": "CVE-2021-25980", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "vulnerabilitylab@mend.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-11-11T07:15:11.380", "references": [{"url": "https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289", "tags": ["Patch", "Third Party Advisory"], "source": "vulnerabilitylab@mend.io"}, {"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980", "tags": ["Third Party Advisory"], "source": "vulnerabilitylab@mend.io"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-74"}]}, {"type": "Secondary", "source": "vulnerabilitylab@mend.io", "description": [{"lang": "en", "value": "CWE-74"}]}], "descriptions": [{"lang": "en", "value": "In Talkyard, versions v0.04.01 through v0.6.74-WIP-63220cb, v0.2020.22-WIP-b2e97fe0e through v0.2021.02-WIP-879ef3fe1 and tyse-v0.2021.02-879ef3fe1-regular through tyse-v0.2021.28-af66b6905-regular, are vulnerable to Host Header Injection. By luring a victim application-user to click on a link, an unauthenticated attacker can use the \u201cforgot password\u201d functionality to reset the victim\u2019s password and successfully take over their account."}, {"lang": "es", "value": "En Talkyard, las versiones v0.04.01 hasta v0.6.74-WIP-63220cb, versiones v0.2020.22-WIP-b2e97fe0e hasta v0.2021.02-WIP-879ef3fe1 y versiones tyse-v0.2021.02-879ef3fe1-regular hasta tyse-v0.2021.28-af66b6905-regular, son vulnerables a una inyecci\u00f3n de encabezados de host. Atrayendo a un usuario de la aplicaci\u00f3n v\u00edctima para que haga clic en un enlace, un atacante no autenticado puede usar la funcionalidad \"forgot password\" para restablecer la contrase\u00f1a de la v\u00edctima y hacerse con su cuenta"}], "lastModified": "2021-11-16T17:19:46.597", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:talkyard:talkyard:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3AD90CD-FF57-4CA1-85B3-3EADB9159EB3", "versionEndIncluding": "0.6.74-wip-63220cb", "versionStartIncluding": "0.04.01"}, {"criteria": "cpe:2.3:a:talkyard:talkyard:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "74C594EE-CC21-4F19-9E76-AB4A2A5B8ACA", "versionEndIncluding": "0.2021.02-wip-879ef3fe1", "versionStartIncluding": "0.2020.22-wip-b2e97fe0e"}, {"criteria": "cpe:2.3:a:talkyard:talkyard:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE16449B-47FA-4F64-868C-056B170CAB0D", "versionEndIncluding": "tyse-v0.2021.28-af66b6905-regular", "versionStartIncluding": "tyse-v0.2021.02-879ef3fe1-regular"}], "operator": "OR"}]}], "sourceIdentifier": "vulnerabilitylab@mend.io"}