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OpenSSL: Invalid TLS/DTLS Record Attack (20120510) (Windows)

Information

Severity

Severity

Medium

Family

Family

General

CVSSv2 Base

CVSSv2 Base

6.8

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

2 years ago

Modified

Modified

2 years ago

Summary

OpenSSL is prone to a buffer underflow vulnerability.

Insight

Insight

A flaw in the OpenSSL handling of CBC mode ciphersuites in TLS 1.1, 1.2 and DTLS can be exploited in a denial of service attack on both clients and servers, or possibly have unspecified other impact via a crafted TLS packet that is not properly handled during a certain explicit IV calculation.

Affected Software

Affected Software

OpenSSL 0.9.8 through 0.9.8w, 1.0.0 through 1.0.0i and 1.0.1 through 1.0.1b.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Update to version 0.9.8x, 1.0.0j, 1.0.1c or later.

Common Vulnerabilities and Exposures (CVE)