Resource exhaustion in FreeIPA - CVE-2020-1722
Published: April 27, 2020 / Updated: September 30, 2020
Vulnerability identifier: #VU47198
CSH Severity: Medium
CVSS v4.0: 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:Green
CVE-ID: CVE-2020-1722
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: freeipa.org
Affected software:
FreeIPA
FreeIPA
Detailed vulnerability 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.
How to mitigate CVE-2020-1722
Install updates from vendor's website.