CVE-2015-8026

Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) or possibly execute arbitrary code via a crafted filesystem.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

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://www.openwall.com/lists/oss-security/2015/10/29/13	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/77307	Third Party Advisory VDB Entry
https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html	Third Party Advisory
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786	Issue Tracking Patch Third Party Advisory
https://github.com/relan/exfat/issues/5	Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201612-31	Patch Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/10/29/13	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/77307	Third Party Advisory VDB Entry
https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html	Third Party Advisory
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786	Issue Tracking Patch Third Party Advisory
https://github.com/relan/exfat/issues/5	Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201612-31	Patch Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

cpe:2.3:a:exfat_project:exfat:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-03-27 15:59

Updated : 2025-04-20 01:37

NVD link : CVE-2015-8026

Mitre link : CVE-2015-8026

CVE.ORG link : CVE-2015-8026

JSON object : View

Products Affected

exfat_project

exfat

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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