4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
22.9%
Issue Overview:
The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c. (CVE-2021-46822)
Affected Packages:
libjpeg-turbo
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libjpeg-turbo to update your system.
New Packages:
aarch64:
libjpeg-turbo-2.0.90-2.amzn2.0.2.aarch64
libjpeg-turbo-devel-2.0.90-2.amzn2.0.2.aarch64
libjpeg-turbo-utils-2.0.90-2.amzn2.0.2.aarch64
turbojpeg-2.0.90-2.amzn2.0.2.aarch64
turbojpeg-devel-2.0.90-2.amzn2.0.2.aarch64
libjpeg-turbo-debuginfo-2.0.90-2.amzn2.0.2.aarch64
i686:
libjpeg-turbo-2.0.90-2.amzn2.0.2.i686
libjpeg-turbo-devel-2.0.90-2.amzn2.0.2.i686
libjpeg-turbo-utils-2.0.90-2.amzn2.0.2.i686
turbojpeg-2.0.90-2.amzn2.0.2.i686
turbojpeg-devel-2.0.90-2.amzn2.0.2.i686
libjpeg-turbo-debuginfo-2.0.90-2.amzn2.0.2.i686
src:
libjpeg-turbo-2.0.90-2.amzn2.0.2.src
x86_64:
libjpeg-turbo-2.0.90-2.amzn2.0.2.x86_64
libjpeg-turbo-devel-2.0.90-2.amzn2.0.2.x86_64
libjpeg-turbo-utils-2.0.90-2.amzn2.0.2.x86_64
turbojpeg-2.0.90-2.amzn2.0.2.x86_64
turbojpeg-devel-2.0.90-2.amzn2.0.2.x86_64
libjpeg-turbo-debuginfo-2.0.90-2.amzn2.0.2.x86_64
Red Hat: CVE-2021-46822
Mitre: CVE-2021-46822
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
22.9%