Input validation error in FreeIPA - CVE-2017-2590

Vulnerability identifier: #VU36812

CSH Severity: High

CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-2590

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote authenticated user to #BASIC_IMPACT#.

A vulnerability was found in ipa before 4.4. IdM's ca-del, ca-disable, and ca-enable commands did not properly check the user's permissions while modifying CAs in Dogtag. An authenticated, unauthorized attacker could use this flaw to delete, disable, or enable CAs causing various denial of service problems with certificate issuance, OCSP signing, and deletion of secret keys.

FreeIPA
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server for ARM
Red Hat Enterprise Linux Server - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Fedora
ipa (Red Hat package)
freeipa

Install update from vendor's website.

FreeIPA - update to 4.4.0
ipa (Red Hat package) - update to 4.4.0-14.el7_3.6
freeipa - update to 4.4.3-2.fc25

• http://rhn.redhat.com/errata/RHSA-2017-0388.html
• http://www.securityfocus.com/bid/96557
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2590

• Input validation error in FreeIPA
• Fedora 25 update for freeipa
• Red Hat Enterprise Linux 7 update for ipa