CVE-2021-26567

Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.

CVSS v3 7.8 HIGH
CVSS v2.0 6.5 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa	Patch
https://www.synology.com/security/advisory/Synology_SA_20_26	Vendor Advisory
https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa	Patch
https://www.synology.com/security/advisory/Synology_SA_20_26	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*

cpe:2.3:h:synology:uc3200:-:*:*:*:*:*:*:*

Configuration 5 (hide)

cpe:2.3:a:faad2_project:faad2:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-02-26 22:15

Updated : 2025-01-14 19:29

NVD link : CVE-2021-26567

Mitre link : CVE-2021-26567

CVE.ORG link : CVE-2021-26567

JSON object : View

Products Affected

synology

diskstation_manager
vs960hd
uc3200
skynas
skynas_firmware
diskstation_manager_unified_controller
vs960hd_firmware

faad2_project

faad2

CWE

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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