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Shibboleth XML Security Signature Key Parsing Denial of Service Vulnerability (Windows)

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

11 years ago

Modified

Modified

4 years ago

Summary

This host is installed with Shibboleth and is prone to denial of service vulnerability.

Insight

Insight

The flaw is due to off-by-one error in the XML signature feature in Apache XML Security, allows remote attackers to cause a denial of service via a signature using a large RSA key, which triggers a buffer overflow.

Affected Software

Affected Software

Shibboleth versions prior to 2.4.3

Solution

Solution

Upgrade to Shibboleth version 2.4.3 or later.

Common Vulnerabilities and Exposures (CVE)