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OpenSSL DTLS Packets Multiple DOS Vulnerabilities (win)

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

13 years ago

Modified

Modified

3 years ago

Summary

This host is running OpenSSL and is prone to Multiple Denial of Service Vulnerabilities

Insight

Insight

Multiple flaws are due to, - The library does not limit the number of buffered DTLS records with a future epoch. - An error when processing DTLS messages can be exploited to exhaust all available memory by sending a large number of out of sequence handshake messages. - A use-after-free error in the 'dtls1_retrieve_buffered_fragment()' function can be exploited to cause a crash in a client context.

Affected Software

Affected Software

OpenSSL version 0.9.8 to version 0.9.8k on Windows. OpenSSL version 1.0.0 Beta2 and prior on Windows.

Solution

Solution

Apply patches or upgrade to the latest version.

Common Vulnerabilities and Exposures (CVE)