CVE-2019-20053

An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html	Mailing List Third Party Advisory
https://github.com/upx/upx/issues/314	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:upx_project:upx:3.95:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:backports:sle-15:sp1::::::
	cpe:2.3:o:opensuse:leap:15.1:::::::*

History

No history.

Information

Published : 2019-12-27 22:15

Updated : 2024-02-28 17:28

NVD link : CVE-2019-20053

Mitre link : CVE-2019-20053

CVE.ORG link : CVE-2019-20053

JSON object : View

Products Affected

opensuse

leap
backports

upx_project

upx

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2019-20053", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "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": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2019-12-27T22:15:11.923", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00003.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00007.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/upx/upx/issues/314", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "An invalid memory address dereference was discovered in the canUnpack function in p_mach.cpp in UPX 3.95 via a crafted Mach-O file."}, {"lang": "es", "value": "Se descubri\u00f3 una desreferencia de direcci\u00f3n de memoria no v\u00e1lida en la funci\u00f3n canUnpack en el archivo p_mach.cpp en UPX versi\u00f3n 3.95 por medio de un archivo Mach-O especialmente dise\u00f1ado."}], "lastModified": "2022-01-01T20:08:27.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:upx_project:upx:3.95:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7986910F-E5B0-488F-813B-D6B4367F16F4"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C84D9410-31B7-421A-AD99-8ED2E45A9BC6"}, {"criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}