VULNERABILITY

FreeBSD: VID-4F8665D0-0465-11E9-B77A-6CC21735F730: shibboleth-sp -- crashes on malformed date/time content

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FreeBSD: VID-4F8665D0-0465-11E9-B77A-6CC21735F730: shibboleth-sp -- crashes on malformed date/time content

Severity
9
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:C)
Published
12/19/2018
Created
03/19/2019
Added
12/21/2018
Modified
02/19/2025

Description

The Shibboleth Consortium reports:

SAML messages, assertions, and metadata all commonly contain

date/time information in a standard XML format.

Invalid formatted data in such fields cause an exception of a type

that was not handled properly in the V3 software and causes a crash

(usually to the shibd daemon process, but possibly to Apache in rare

cases). Note that the crash occurs prior to evaluation of a message's

authenticity, so can be exploited by an untrusted attacker.

The problem is believed to be specific to the V3 software and would

not cause a crash in the older, now unsupported, V2 software.

Solution(s)

  • freebsd-upgrade-package-shibboleth-sp

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