CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
73.8%
Issue Overview:
An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp. (CVE-2020-10531)
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.aarch64
libicu-50.2-4.amzn2.aarch64
libicu-devel-50.2-4.amzn2.aarch64
icu-debuginfo-50.2-4.amzn2.aarch64
i686:
icu-50.2-4.amzn2.i686
libicu-50.2-4.amzn2.i686
libicu-devel-50.2-4.amzn2.i686
icu-debuginfo-50.2-4.amzn2.i686
noarch:
libicu-doc-50.2-4.amzn2.noarch
src:
icu-50.2-4.amzn2.src
x86_64:
icu-50.2-4.amzn2.x86_64
libicu-50.2-4.amzn2.x86_64
libicu-devel-50.2-4.amzn2.x86_64
icu-debuginfo-50.2-4.amzn2.x86_64
Red Hat: CVE-2020-10531
Mitre: CVE-2020-10531
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | icu | < 50.2-4.amzn2 | icu-50.2-4.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libicu | < 50.2-4.amzn2 | libicu-50.2-4.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | libicu-devel | < 50.2-4.amzn2 | libicu-devel-50.2-4.amzn2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | icu-debuginfo | < 50.2-4.amzn2 | icu-debuginfo-50.2-4.amzn2.aarch64.rpm |
Amazon Linux | 2 | i686 | icu | < 50.2-4.amzn2 | icu-50.2-4.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | libicu | < 50.2-4.amzn2 | libicu-50.2-4.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | libicu-devel | < 50.2-4.amzn2 | libicu-devel-50.2-4.amzn2.i686.rpm |
Amazon Linux | 2 | i686 | icu-debuginfo | < 50.2-4.amzn2 | icu-debuginfo-50.2-4.amzn2.i686.rpm |
Amazon Linux | 2 | noarch | libicu-doc | < 50.2-4.amzn2 | libicu-doc-50.2-4.amzn2.noarch.rpm |
Amazon Linux | 2 | x86_64 | icu | < 50.2-4.amzn2 | icu-50.2-4.amzn2.x86_64.rpm |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
73.8%