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CVE-2015-8872

Date: June 3, 2016

The set_fat function in fat.c in dosfstools before 4.0 might allow attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid memory read and crash) by writing an odd number of clusters to the third to last entry on a FAT12 filesystem, which triggers an "off-by-two error."

Language: C

Severity Score

Related Resources (14)

http://lists.opensuse.org/opensuse-updates/2016-06/msg00001.html
https://github.com/dosfstools/dosfstools/releases/tag/v4.0
https://github.com/dosfstools/dosfstools/commit/07908124838afcc99c577d1d3e84cef2dbd39cb7
https://github.com/dosfstools/dosfstools/issues/12
http://www.securityfocus.com/bid/90311
https://access.redhat.com/security/cve/CVE-2015-8872
http://www.ubuntu.com/usn/USN-2986-1
https://blog.fuzzing-project.org/44-dosfstools-fsck.vfat-Several-invalid-memory-accesses.html
https://nvd.nist.gov/vuln/detail/CVE-2015-8872
https://security-tracker.debian.org/tracker/CVE-2015-8872
https://lists.debian.org/debian-lts-announce/2020/05/msg00028.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-8872
http://lists.opensuse.org/opensuse-updates/2016-09/msg00014.html
https://www.mend.io/vulnerability-database/CVE-2015-8872

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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