CVE-2021-3624

2021-06-2818:46:32

redhat.com

access.redhat.com

dcraw

out-of-bounds write

crafted file

integer wraparound

system availability

data integrity

data confidentiality

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.001

Percentile

30.8%

JSON

There is a flaw in dcraw. An attacker who is able to convince a victim to open a crafted file with dcraw could trigger an unsigned integer wraparound, leading to out-of-bounds write. The greatest impact from this flaw is to system availability, data integrity, and data confidentiality.