VulnerabilityModified

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.

HIGH 7.8EPSS 4.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 4.45% probability · 91th percentile
CISA KEV: Not listed
Weakness: CWE-119
Affected: exfat project/exfat
Source: cve@mitre.org

References

http://www.openwall.com/lists/oss-security/2015/10/29/13Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/77307Third Party Advisory, VDB Entry
https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.htmlThird Party Advisory
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786Issue Tracking, Patch, Third Party Advisory
https://github.com/relan/exfat/issues/5Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201612-31Patch, Third Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2015/10/29/13Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/77307Third Party Advisory, VDB Entry
https://blog.fuzzing-project.org/25-Heap-overflow-and-endless-loop-in-exfatfsck-exfat-utils.htmlThird Party Advisory
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786Issue Tracking, Patch, Third Party Advisory
https://github.com/relan/exfat/issues/5Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201612-31Patch, Third Party Advisory, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.