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ISC BIND Buffer Overflow Vulnerability (CVE-2020-8625) - Windows

Information

Severity

Severity

High

Family

Family

Buffer overflow

CVSSv2 Base

CVSSv2 Base

7.6

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:H/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

ISC BIND is prone to a buffer overflow vulnerability in the GSSAPI security policy negotiation.

Insight

Insight

GSS-TSIG is an extension to the TSIG protocol which is intended to support the secure exchange of keys for use in verifying the authenticity of communications between parties on a network. SPNEGO is a negotiation mechanism used by GSSAPI, the application protocol interface for GSS-TSIG. The SPNEGO implementation used by BIND has been found to be vulnerable to a buffer overflow attack.

Affected Software

Affected Software

BIND 9.5.0 - 9.11.27, 9.12.0 - 9.16.11, 9.11.3-S1 - 9.11.27-S1 and 9.16.8-S1 - 9.16.11-S1.

Detection Method

Detection Method

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

Solution

Solution

Update to version 9.11.28, 9.16.12, 9.11.28-S1, 9.16.12-S1 or later.

Common Vulnerabilities and Exposures (CVE)