Red Hat update for gnupg



Published: 2018-07-11 | Updated: 2018-07-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-12020
CWE-ID CWE-451
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Red Hat Enterprise Linux Server
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Scientific Computing
Operating systems & Components / Operating system

Red Hat Enterprise Linux EUS Compute Node
Operating systems & Components / Operating system

Red Hat Enterprise Linux for ARM
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power
Operating systems & Components / Operating system

Red Hat Enterprise Linux Desktop
Operating systems & Components / Operating system

Red Hat Enterprise Linux Workstation
Operating systems & Components / Operating system

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Spoofing attack

EUVDB-ID: #VU13258

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2018-12020

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct spoofing attack.

The vulnerability exists due to an input validation flaw in the processing of filenames when displaying the filename. A remote attacker can send a signed and encrypted email message that includes the specially crafted name of the original input file, spoof status messages and fake the verification status of a signed email message.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server: 7 - 7.5

Red Hat Enterprise Linux for IBM z Systems: 7 - 7.5

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux EUS Compute Node: 7.5

Red Hat Enterprise Linux for ARM: 6.4

Red Hat Enterprise Linux for Power: 7 - 9

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2018:2181

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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