CVE-2015-8026

NameCVE-2015-8026
DescriptionHeap-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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exfat-utils (PTS)buster1.3.0-1fixed
bullseye1.3.0-2fixed
fuse-exfat (PTS)buster1.3.0-1fixed
bullseye1.3.0-2fixed
bookworm, sid1.3.0+git20220115-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exfat-utilssourcewheezy0.9.7-2+deb7u1
exfat-utilssourcejessie1.1.0-2+deb8u1
exfat-utilssource(unstable)1.2.1-1
fuse-exfatsourcewheezy0.9.7-2+deb7u1
fuse-exfatsourcejessie1.1.0-2+deb8u1
fuse-exfatsource(unstable)1.2.1-1

Notes

https://github.com/relan/exfat/issues/5
https://crashes.fuzzing-project.org/exfatfsck-heap-overflow-write-verify_vbr_checksum
https://github.com/relan/exfat/commit/2e86ae5f81da11f11673d0546efb525af02b7786

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