CVE-2021-3482

2021-04-0520:03:59

redhat.com

access.redhat.com

exiv2

heap-based buffer overflow

jpg image

confidentiality

system availability

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

LOW

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

EPSS

0.006

Percentile

77.9%

JSON

A flaw was found in Exiv2. Improper input validation of the rawData.size property in the Jp2Image::readMetadata() function in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data. The highest threat from this vulnerability is to confidentiality and system availability.