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cve[email protected]CVE-2015-8872
HistoryJun 03, 2016 - 2:59 p.m.

CVE-2015-8872

2016-06-0314:59:00
CWE-189
web.nvd.nist.gov
48
cve-2015-8872
dosfstools
set_fat function
fat12 filesystem
off-by-two error
denial of service
invalid memory read
crash

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

6.2 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.1 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.8%

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.”

Affected configurations

NVD
Node
canonicalubuntu_linuxMatch12.04lts
OR
canonicalubuntu_linuxMatch14.04lts
OR
canonicalubuntu_linuxMatch15.10
OR
canonicalubuntu_linuxMatch16.04lts
Node
opensuseleapMatch42.1
OR
opensuseopensuseMatch13.2
Node
dosfstools_projectdosfstoolsRange3.0.28

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

6.2 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6.1 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.8%