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
0.001 Low
EPSS
Percentile
44.1%
Issue Overview:
International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp. (CVE-2020-21913)
Affected Packages:
icu
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 icu to update your system.
New Packages:
aarch64:
icu-50.2-4.amzn2.0.1.aarch64
libicu-50.2-4.amzn2.0.1.aarch64
libicu-devel-50.2-4.amzn2.0.1.aarch64
icu-debuginfo-50.2-4.amzn2.0.1.aarch64
i686:
icu-50.2-4.amzn2.0.1.i686
libicu-50.2-4.amzn2.0.1.i686
libicu-devel-50.2-4.amzn2.0.1.i686
icu-debuginfo-50.2-4.amzn2.0.1.i686
noarch:
libicu-doc-50.2-4.amzn2.0.1.noarch
src:
icu-50.2-4.amzn2.0.1.src
x86_64:
icu-50.2-4.amzn2.0.1.x86_64
libicu-50.2-4.amzn2.0.1.x86_64
libicu-devel-50.2-4.amzn2.0.1.x86_64
icu-debuginfo-50.2-4.amzn2.0.1.x86_64
Red Hat: CVE-2020-21913
Mitre: CVE-2020-21913
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | icu | < 50.2-4.amzn2.0.1 | icu-50.2-4.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libicu | < 50.2-4.amzn2.0.1 | libicu-50.2-4.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libicu-devel | < 50.2-4.amzn2.0.1 | libicu-devel-50.2-4.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | aarch64 | icu-debuginfo | < 50.2-4.amzn2.0.1 | icu-debuginfo-50.2-4.amzn2.0.1.aarch64.rpm |
Amazon Linux | 2 | i686 | icu | < 50.2-4.amzn2.0.1 | icu-50.2-4.amzn2.0.1.i686.rpm |
Amazon Linux | 2 | i686 | libicu | < 50.2-4.amzn2.0.1 | libicu-50.2-4.amzn2.0.1.i686.rpm |
Amazon Linux | 2 | i686 | libicu-devel | < 50.2-4.amzn2.0.1 | libicu-devel-50.2-4.amzn2.0.1.i686.rpm |
Amazon Linux | 2 | i686 | icu-debuginfo | < 50.2-4.amzn2.0.1 | icu-debuginfo-50.2-4.amzn2.0.1.i686.rpm |
Amazon Linux | 2 | noarch | libicu-doc | < 50.2-4.amzn2.0.1 | libicu-doc-50.2-4.amzn2.0.1.noarch.rpm |
Amazon Linux | 2 | x86_64 | icu | < 50.2-4.amzn2.0.1 | icu-50.2-4.amzn2.0.1.x86_64.rpm |
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
0.001 Low
EPSS
Percentile
44.1%