CVE-2020-11993 Detail

Current Description

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above “info” will mitigate this vulnerability for unpatched servers.

View Analysis Description

Analysis Description

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing concurrent use of memory pools. Configuring the LogLevel of mod_http2 above “info” will mitigate this vulnerability for unpatched servers.

Severity

CVSS 3.x Severity and Metrics:

CVSS 2.0 Severity and Metrics:

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-ID CWE Name Source
CWE-444 Inconsistent Interpretation of HTTP Requests (‘HTTP Request Smuggling’) NIST  

Change History

3 change records found show changes

Initial Analysis 8/09/2020 5:44:11 PM

Action Type Old Value New Value
Added CPE Configuration
OR
     *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions from (including) 2.4.20 up to (including) 2.4.43
Added CVSS V2
NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Added CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added CWE
NIST CWE-444
Changed Reference Type
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993 No Types Assigned
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993 Vendor Advisory
Changed Reference Type
https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71@%3Cdev.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71@%3Cdev.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed Reference Type
https://security.gentoo.org/glsa/202008-04 No Types Assigned
https://security.gentoo.org/glsa/202008-04 Third Party Advisory

CVE Modified by MITRE 8/08/2020 8:15:11 AM

Action Type Old Value New Value
Added Reference
https://lists.apache.org/thread.html/r9e9f1a7609760f0f80562eaaec2aa3c32d525c3e0fca98b475240c71@%3Cdev.httpd.apache.org%3E [No Types Assigned]

CVE Modified by MITRE 8/08/2020 2:15:13 AM

Action Type Old Value New Value
Added Reference
https://security.gentoo.org/glsa/202008-04 [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2020-11993
NVD Published Date:
08/07/2020
NVD Last Modified:
08/09/2020
Source:
MITRE