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amazonAmazonALAS-2018-1000
HistoryApr 19, 2018 - 5:38 p.m.

Low: openssl

2018-04-1917:38:00
alas.aws.amazon.com
40

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.01 Low

EPSS

Percentile

83.6%

Issue Overview:

RSA key generation cache timing vulnerability in crypto/rsa/rsa_gen.c allows attackers to recover private keys:
OpenSSL RSA key generation was found to be vulnerable to cache side-channel attacks. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover parts of the private key. (CVE-2018-0737)

Affected Packages:

openssl

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

New Packages:

i686:  
    openssl-1.0.2k-8.107.amzn1.i686  
    openssl-devel-1.0.2k-8.107.amzn1.i686  
    openssl-debuginfo-1.0.2k-8.107.amzn1.i686  
    openssl-static-1.0.2k-8.107.amzn1.i686  
    openssl-perl-1.0.2k-8.107.amzn1.i686  
  
src:  
    openssl-1.0.2k-8.107.amzn1.src  
  
x86_64:  
    openssl-debuginfo-1.0.2k-8.107.amzn1.x86_64  
    openssl-static-1.0.2k-8.107.amzn1.x86_64  
    openssl-1.0.2k-8.107.amzn1.x86_64  
    openssl-devel-1.0.2k-8.107.amzn1.x86_64  
    openssl-perl-1.0.2k-8.107.amzn1.x86_64  

Additional References

Red Hat: CVE-2018-0737

Mitre: CVE-2018-0737

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.01 Low

EPSS

Percentile

83.6%