CVE-2019-19777

stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main.

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/saitoha/libsixel/issues/109	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:libsixel_project:libsixel:1.8.2:::::::*
	cpe:2.3:a:nothings:stb_image.h:2.23:::::::*

History

No history.

Information

Published : 2019-12-13 02:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-19777

Mitre link : CVE-2019-19777

CVE.ORG link : CVE-2019-19777

JSON object : View

Products Affected

nothings

stb_image.h

libsixel_project

libsixel

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2019-19777", "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": "2019-12-13T02:15:10.893", "references": [{"url": "https://github.com/saitoha/libsixel/issues/109", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main."}, {"lang": "es", "value": "stb_image.h (tambi\u00e9n se conoce como stb image loader) versi\u00f3n 2.23, como es usado en libsixel y otros productos, presenta una lectura excesiva del b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n stbi__load_main."}], "lastModified": "2019-12-18T20:20:33.803", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libsixel_project:libsixel:1.8.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BAFCC979-2F4E-46A5-AC18-B6452E752D90"}, {"criteria": "cpe:2.3:a:nothings:stb_image.h:2.23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62B321FB-09DA-46F1-B7BE-4B8AAE636D18"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}