Description
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.
References (6)
Core 6
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786
Patch, Third Party Advisory, VDB Entry vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201612-31
Third Party Advisory x_refsource_misc
https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.html
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/relan/exfat/issues/5
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/77307
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/10/29/13
Scores
CVSS v3
7.8
EPSS
0.0445
EPSS Percentile
90.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (1)
exfat_project/exfat
< 1.2.0
Published
Mar 27, 2017
Tracked Since
Feb 18, 2026