Red Hat update for 389-ds-base



| Updated: 2019-07-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-3883
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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 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

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

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource management error

EUVDB-ID: #VU20063

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-3883

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of tome outs for SSL/TLS connections. A remote authenticated user initiate a large number of SSL/TLS connections and consume all available workers, which will lead to a denial of service attack. 



Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for IBM z Systems: 7

Red Hat Enterprise Linux for Scientific Computing: 7

Red Hat Enterprise Linux for Power: 9

Red Hat Enterprise Linux Desktop: 7

Red Hat Enterprise Linux Workstation: 7

Red Hat Enterprise Linux Server: 7

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2019:1896


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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