Amazon Linux AMI update for gnupg2



| Updated: 2018-05-30
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-9234
CWE-ID CWE-320
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Key management errors

EUVDB-ID: #VU12732

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9234

CWE-ID: CWE-320 - Key Management Errors

Exploit availability: No

Description

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

The weakness exists due to missing enforcement of a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey. A remote attacker can gain access to potentially sensitive information.

Mitigation

Update the affected packages.

i686:
    gnupg2-smime-2.0.28-2.31.amzn1.i686
    gnupg2-2.0.28-2.31.amzn1.i686
    gnupg2-debuginfo-2.0.28-2.31.amzn1.i686

src:
    gnupg2-2.0.28-2.31.amzn1.src

x86_64:
    gnupg2-2.0.28-2.31.amzn1.x86_64
    gnupg2-debuginfo-2.0.28-2.31.amzn1.x86_64
    gnupg2-smime-2.0.28-2.31.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2018-1025.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.



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