7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.6 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.006 Low
EPSS
Percentile
77.3%
Issue Overview:
The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function. (CVE-2021-23437)
Affected Packages:
python-pillow
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 python-pillow to update your system.
New Packages:
aarch64:
python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.7.aarch64
python-pillow-devel-2.0.0-23.gitd1c6db8.amzn2.0.7.aarch64
python-pillow-doc-2.0.0-23.gitd1c6db8.amzn2.0.7.aarch64
python-pillow-sane-2.0.0-23.gitd1c6db8.amzn2.0.7.aarch64
python-pillow-tk-2.0.0-23.gitd1c6db8.amzn2.0.7.aarch64
python-pillow-debuginfo-2.0.0-23.gitd1c6db8.amzn2.0.7.aarch64
i686:
python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.7.i686
python-pillow-devel-2.0.0-23.gitd1c6db8.amzn2.0.7.i686
python-pillow-doc-2.0.0-23.gitd1c6db8.amzn2.0.7.i686
python-pillow-sane-2.0.0-23.gitd1c6db8.amzn2.0.7.i686
python-pillow-tk-2.0.0-23.gitd1c6db8.amzn2.0.7.i686
python-pillow-debuginfo-2.0.0-23.gitd1c6db8.amzn2.0.7.i686
src:
python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.7.src
x86_64:
python-pillow-2.0.0-23.gitd1c6db8.amzn2.0.7.x86_64
python-pillow-devel-2.0.0-23.gitd1c6db8.amzn2.0.7.x86_64
python-pillow-doc-2.0.0-23.gitd1c6db8.amzn2.0.7.x86_64
python-pillow-sane-2.0.0-23.gitd1c6db8.amzn2.0.7.x86_64
python-pillow-tk-2.0.0-23.gitd1c6db8.amzn2.0.7.x86_64
python-pillow-debuginfo-2.0.0-23.gitd1c6db8.amzn2.0.7.x86_64
Red Hat: CVE-2021-23437
Mitre: CVE-2021-23437
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.6 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.006 Low
EPSS
Percentile
77.3%