MGASA-2019-0176 - Updated freeradius packages fix security vulnerability

Publication date: 18 May 2019
URL: https://advisories.mageia.org/MGASA-2019-0176.html
Type: security
Affected Mageia releases: 6
CVE: CVE-2019-11234,
     CVE-2019-11235

An attacker can reflect the received scalar and element from the server in
it's own commit message, and subsequently reflect the confirm value as
well. This causes the adversary to successfully authenticate as the victim
(CVE-2019-11234).

An invalid curve attack allows an attacker to authenticate as any user
(without knowing the password). The problem is that on the reception of an
EAP-PWD Commit frame, FreeRADIUS doesn't verify whether the received
elliptic curve point is valid (CVE-2019-11235).

References:
- https://bugs.mageia.org/show_bug.cgi?id=24762
- https://bugzilla.redhat.com/show_bug.cgi?id=1695748
- https://bugzilla.redhat.com/show_bug.cgi?id=1695783
- https://access.redhat.com/errata/RHSA-2019:1131
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11234
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11235

SRPMS:
- 6/core/freeradius-3.0.15-1.1.mga6

Mageia 2019-0176: freeradius security update

An attacker can reflect the received scalar and element from the server in it's own commit message, and subsequently reflect the confirm value as well

Summary

An attacker can reflect the received scalar and element from the server in it's own commit message, and subsequently reflect the confirm value as well. This causes the adversary to successfully authenticate as the victim (CVE-2019-11234).
An invalid curve attack allows an attacker to authenticate as any user (without knowing the password). The problem is that on the reception of an EAP-PWD Commit frame, FreeRADIUS doesn't verify whether the received elliptic curve point is valid (CVE-2019-11235).

References

- https://bugs.mageia.org/show_bug.cgi?id=24762

- https://bugzilla.redhat.com/show_bug.cgi?id=1695748

- https://bugzilla.redhat.com/show_bug.cgi?id=1695783

- https://access.redhat.com/errata/RHSA-2019:1131

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11234

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11235

Resolution

MGASA-2019-0176 - Updated freeradius packages fix security vulnerability

SRPMS

- 6/core/freeradius-3.0.15-1.1.mga6

Severity
Publication date: 18 May 2019
URL: https://advisories.mageia.org/MGASA-2019-0176.html
Type: security
CVE: CVE-2019-11234, CVE-2019-11235

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