CVE-2021-32557

It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.

CVSS v3 7.1 HIGH
CVSS v2.0 3.6 LOW

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

3.6^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904	Vendor Advisory Exploit

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::
	cpe:2.3:a:canonical:apport::::::::

History

No history.

Information

Published : 2021-06-12 04:15

Updated : 2021-06-23 18:49

NVD link : CVE-2021-32557

Mitre link : CVE-2021-32557

CVE.ORG link : CVE-2021-32557

JSON object : View

Products Affected

canonical

apport

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

CWE-61

UNIX Symbolic Link (Symlink) Following

{"id": "CVE-2021-32557", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "security@ubuntu.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 2.7, "exploitabilityScore": 2.0}]}, "published": "2021-06-12T04:15:12.523", "references": [{"url": "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904", "tags": ["Vendor Advisory", "Exploit"], "source": "security@ubuntu.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-59"}]}, {"type": "Secondary", "source": "security@ubuntu.com", "description": [{"lang": "en", "value": "CWE-59"}, {"lang": "en", "value": "CWE-61"}]}], "descriptions": [{"lang": "en", "value": "It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks."}, {"lang": "es", "value": "Se ha detectado que la funci\u00f3n process_report() en la ruta data/whoopsie-upload-all permit\u00eda la escritura arbitraria de archivos por medio de enlaces simb\u00f3licos"}], "lastModified": "2021-06-23T18:49:39.853", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15384D7F-D81C-46B4-8F98-70FD9F1201E0", "versionEndExcluding": "2.14.1-0ubuntu3.29\\+esm7", "versionStartIncluding": "2.14.1-0ubuntu3"}, {"criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "64C72114-B15D-441E-A742-19A7D7A341CA", "versionEndExcluding": "2.20.1-0ubuntu2.30\\+esm1", "versionStartIncluding": "2.20.1"}, {"criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F6CEE83-29FB-4B02-A31D-E23079AFC2A6", "versionEndExcluding": "2.20.9-0ubuntu7.24", "versionStartIncluding": "2.20.9"}, {"criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3BD90405-8C94-43F2-BBF8-FFB695B9181C", "versionEndExcluding": "2.20.11-0ubuntu27.18", "versionStartIncluding": "2.20.11-0ubuntu27"}, {"criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB003A8B-8290-4BBA-8C0D-64E208ABBEFE", "versionEndExcluding": "2.20.11-0ubuntu50.7", "versionStartIncluding": "2.20.11-0ubuntu50"}, {"criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C9F0F988-E8C8-451B-9710-1B8932C12996", "versionEndExcluding": "2.20.11-0ubuntu65.1", "versionStartIncluding": "2.20.11-0ubuntu65"}], "operator": "OR"}]}], "sourceIdentifier": "security@ubuntu.com"}