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OpenSSL Death Alert Denial of Service Vulnerability (Linux)

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

5 years ago

Modified

Modified

3 years ago

Summary

This host is running OpenSSL and is prone to a denial of service vulnerability.

Insight

Insight

The flaw is due to an error in function 'ssl3_read_bytes' in ssl/s3_pkt.c script which might lead to higher CPU usage due to improper handling of warning packets.

Affected Software

Affected Software

OpenSSL versions 1.1.0, 1.0.2 through 1.0.2h, all 1.0.1 and all 0.9.8 on Linux

Detection Method

Detection Method

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

Solution

Solution

Upgrade to OpenSSL version 1.0.2j or 1.1.0b or later.

Common Vulnerabilities and Exposures (CVE)