Amazon Linux AMI update for openssl

Published: 2018-08-24

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-0733 CVE-2018-0739
CWE-ID	CWE-287 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Amazon Linux AMI Operating systems & Components / Operating system
Vendor	Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper authentication

EUVDB-ID: #VU11293

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0733

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify potentially sensitive information on the target system.

Th weakness exists in the PA-RISC CRYPTO_memcmp function due to improper authentication. A remote attacker can write arbitrary data.

Mitigation

Update the affected packages.

i686:
    openssl-static-1.0.2k-12.110.amzn1.i686
    openssl-devel-1.0.2k-12.110.amzn1.i686
    openssl-perl-1.0.2k-12.110.amzn1.i686
    openssl-debuginfo-1.0.2k-12.110.amzn1.i686
    openssl-1.0.2k-12.110.amzn1.i686

src:
    openssl-1.0.2k-12.110.amzn1.src

x86_64:
    openssl-perl-1.0.2k-12.110.amzn1.x86_64
    openssl-static-1.0.2k-12.110.amzn1.x86_64
    openssl-devel-1.0.2k-12.110.amzn1.x86_64
    openssl-debuginfo-1.0.2k-12.110.amzn1.x86_64
    openssl-1.0.2k-12.110.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2018-1065.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU11294