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amazonAmazonALAS2-2020-1418
HistoryMay 05, 2020 - 1:13 a.m.

Important: icu

2020-05-0501:13:00
alas.aws.amazon.com
33

8.8 High

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

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

73.7%

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  

Additional References

Red Hat: CVE-2020-10531

Mitre: CVE-2020-10531

8.8 High

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

9 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.004 Low

EPSS

Percentile

73.7%

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