Denial of service in FreeIPA



Published: 2020-04-27 | Updated: 2020-09-30
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1722
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		FreeIPA
Other software / Other software solutions

Vendor freeipa.org

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU47198

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1722

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources while trying to hash an overly long password string (more than 1 million characters). A remote attacker can send a specially crafted HTTP request, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FreeIPA: 4.0.0 - 4.8.0

External links

http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1722


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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