Buffer overflow in Exfat Project
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.045 (91.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786 (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201612-31 (vendor-advisory, Patch, VDB Entry, Third Party Advisory)
- blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-u… (Third Party Advisory)
- github.com/relan/exfat/issues/5 (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/77307 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2015/10/29/13 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8026?
- CVE-2015-8026 is a high-severity vulnerability in Exfat Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-03-27.
- How severe is CVE-2015-8026?
- High severity. CVSS v3 base score is 7.8 out of 10.