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amazonAmazonALAS2-2020-1475
HistoryAug 18, 2020 - 7:31 p.m.

Medium: evolution-data-server, evolution-ews

2020-08-1819:31:00
alas.aws.amazon.com
8

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

49.1%

Issue Overview:

It was discovered evolution-ews before 3.31.3 does not check the validity of SSL certificates. An attacker could abuse this flaw to get confidential information by tricking the user into connecting to a fake server without the user noticing the difference. (CVE-2019-3890)

Affected Packages:

evolution-data-server, evolution-ews

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 evolution-data-server to update your system.
Run yum update evolution-ews to update your system.

New Packages:

aarch64:  
    evolution-data-server-3.28.5-4.amzn2.0.1.aarch64  
    evolution-data-server-devel-3.28.5-4.amzn2.0.1.aarch64  
    evolution-data-server-perl-3.28.5-4.amzn2.0.1.aarch64  
    evolution-data-server-tests-3.28.5-4.amzn2.0.1.aarch64  
    evolution-data-server-debuginfo-3.28.5-4.amzn2.0.1.aarch64  
    evolution-ews-3.28.5-5.amzn2.aarch64  
    evolution-ews-debuginfo-3.28.5-5.amzn2.aarch64  
  
i686:  
    evolution-data-server-3.28.5-4.amzn2.0.1.i686  
    evolution-data-server-devel-3.28.5-4.amzn2.0.1.i686  
    evolution-data-server-perl-3.28.5-4.amzn2.0.1.i686  
    evolution-data-server-tests-3.28.5-4.amzn2.0.1.i686  
    evolution-data-server-debuginfo-3.28.5-4.amzn2.0.1.i686  
    evolution-ews-3.28.5-5.amzn2.i686  
    evolution-ews-debuginfo-3.28.5-5.amzn2.i686  
  
noarch:  
    evolution-data-server-langpacks-3.28.5-4.amzn2.0.1.noarch  
    evolution-data-server-doc-3.28.5-4.amzn2.0.1.noarch  
    evolution-ews-langpacks-3.28.5-5.amzn2.noarch  
  
src:  
    evolution-data-server-3.28.5-4.amzn2.0.1.src  
    evolution-ews-3.28.5-5.amzn2.src  
  
x86_64:  
    evolution-data-server-3.28.5-4.amzn2.0.1.x86_64  
    evolution-data-server-devel-3.28.5-4.amzn2.0.1.x86_64  
    evolution-data-server-perl-3.28.5-4.amzn2.0.1.x86_64  
    evolution-data-server-tests-3.28.5-4.amzn2.0.1.x86_64  
    evolution-data-server-debuginfo-3.28.5-4.amzn2.0.1.x86_64  
    evolution-ews-3.28.5-5.amzn2.x86_64  
    evolution-ews-debuginfo-3.28.5-5.amzn2.x86_64  

Additional References

Red Hat: CVE-2019-3890

Mitre: CVE-2019-3890

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

AI Score

7.9

Confidence

High

EPSS

0.001

Percentile

49.1%