CVE-2020-24994

Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : 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/libass/libass/issues/422	Patch Third Party Advisory
https://github.com/libass/libass/issues/423	Third Party Advisory
https://github.com/libass/libass/issues/422#issuecomment-806002919	Issue Tracking Patch Third Party Advisory
https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e	Patch Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:*

Information

Published : 2021-03-23 13:15

Updated : 2022-07-22 06:19

NVD link : CVE-2020-24994

Mitre link : CVE-2020-24994

JSON object : View

CWE

No CWE.

Advertisement

Products Affected

libass_project

libass

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/libass/libass/issues/422", "name": "https://github.com/libass/libass/issues/422", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/libass/libass/issues/423", "name": "https://github.com/libass/libass/issues/423", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/libass/libass/issues/422#issuecomment-806002919", "name": "https://github.com/libass/libass/issues/422#issuecomment-806002919", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e", "name": "https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file."}]}, "problemtype": {"problemtype_data": [{"description": []}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-24994", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2021-03-23T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "0.15.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-07-22T13:19Z"}