CVE-2020-21843

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_RC ../../src/bits.c:318.

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
http://gnu.com	Not Applicable
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493857	Exploit Issue Tracking Patch Third Party Advisory
http://gnu.com	Not Applicable
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493857	Exploit Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:libredwg:0.10:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-05-17 22:15

Updated : 2024-11-21 05:12

NVD link : CVE-2020-21843

Mitre link : CVE-2020-21843

CVE.ORG link : CVE-2020-21843

JSON object : View

Products Affected

gnu

libredwg

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2020-21843", "cveTags": [], "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}]}, "published": "2021-05-17T22:15:07.437", "references": [{"url": "http://gnu.com", "tags": ["Not Applicable"], "source": "cve@mitre.org"}, {"url": "https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493857", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://gnu.com", "tags": ["Not Applicable"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493857", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_RC ../../src/bits.c:318."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en GNU LibreDWG versi\u00f3n 0.10, por medio de la funci\u00f3n bit_read_RC del archivo ../../src/bits.c:318"}], "lastModified": "2024-11-21T05:12:55.060", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:libredwg:0.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C3E7D34E-1D80-4CF0-8110-412C6D8514EF"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}