CVE-2021-21813

Within the function HandleFileArg the argument filepattern is under control of the user who passes it in from the command line. filepattern is passed directly to memcpy copying the path provided by the user into a staticly sized buffer without any length checks resulting in a stack-buffer overflow.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 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

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:*

History

18 Nov 2021, 15:18

Type	Values Removed	Values Added
CPE	cpe:2.3:a:att:labs\'_xmill:0.7:::::::*	cpe:2.3:a:att:xmill:0.7:::::::*

23 Aug 2021, 20:17

Type	Values Removed	Values Added
CPE		cpe:2.3:a:att:labs\'_xmill:0.7:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
CWE		CWE-787
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1280 - Exploit, Third Party Advisory

13 Aug 2021, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-13 23:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-21813

Mitre link : CVE-2021-21813

CVE.ORG link : CVE-2021-21813

JSON object : View

Products Affected

att

xmill

CWE

CWE-787

Out-of-bounds Write

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