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amazonAmazonALAS-2019-1153
HistoryMar 21, 2019 - 6:40 p.m.

Low: openssl

2019-03-2118:40:00
alas.aws.amazon.com
118

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

71.6%

Issue Overview:

The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. (CVE-2018-0734)

Affected Packages:

openssl

Issue Correction:
Run yum update openssl to update your system.

New Packages:

i686:  
    openssl-debuginfo-1.0.2k-16.148.amzn1.i686  
    openssl-static-1.0.2k-16.148.amzn1.i686  
    openssl-perl-1.0.2k-16.148.amzn1.i686  
    openssl-devel-1.0.2k-16.148.amzn1.i686  
    openssl-1.0.2k-16.148.amzn1.i686  
  
src:  
    openssl-1.0.2k-16.148.amzn1.src  
  
x86_64:  
    openssl-1.0.2k-16.148.amzn1.x86_64  
    openssl-devel-1.0.2k-16.148.amzn1.x86_64  
    openssl-static-1.0.2k-16.148.amzn1.x86_64  
    openssl-debuginfo-1.0.2k-16.148.amzn1.x86_64  
    openssl-perl-1.0.2k-16.148.amzn1.x86_64  

Additional References

Red Hat: CVE-2018-0734

Mitre: CVE-2018-0734

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

71.6%