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CVE-2020-11993

Published: Aug 7, 2020

Modified: Aug 4, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	Apache HTTP Server	affected `2.4.20 to 2.4.43`

References

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2020-11993

x_refsource_MISC

vendor-advisory

x_refsource_GENTOO

[httpd-dev] 20200808 Security announcements for CVE-2020-9490/CVE-2020-11993 ?

mailing-list

x_refsource_MLIST

[httpd-dev] 20200811 Which version fixed the CVE-2020-9490, CVE-2020-11984 and CVE-2020-11993 vulnerabilities?

mailing-list

x_refsource_MLIST

[httpd-dev] 20200811 Re: Which version fixed the CVE-2020-9490, CVE-2020-11984 and CVE-2020-11993 vulnerabilities?

mailing-list

x_refsource_MLIST

vendor-advisory

x_refsource_UBUNTU

FEDORA-2020-8122a8daa2

vendor-advisory

x_refsource_FEDORA

FEDORA-2020-b58dc5df38

vendor-advisory

x_refsource_FEDORA

openSUSE-SU-2020:1285

vendor-advisory

x_refsource_SUSE

openSUSE-SU-2020:1293

vendor-advisory

x_refsource_SUSE

vendor-advisory

x_refsource_DEBIAN

https://www.oracle.com/security-alerts/cpuoct2020.html

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20200814-0005/

x_refsource_CONFIRM

openSUSE-SU-2020:1792

vendor-advisory

x_refsource_SUSE

https://www.oracle.com/security-alerts/cpujan2021.html

x_refsource_MISC

http://packetstormsecurity.com/files/160393/Apache-2-HTTP2-Module-Concurrent-Pool-Usage.html

x_refsource_MISC

[httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1073143 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1888194 [13/13] - /httpd/site/trunk/content/security/json/

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1073139 [13/13] - in /websites/staging/httpd/trunk/content: ./ security/json/

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1073149 [13/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1073171 - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-11984.json security/json/CVE-2020-11993.json security/vulnerabilities_24.html

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210330 svn commit: r1888228 - in /httpd/site/trunk/content/security/json: CVE-2020-11984.json CVE-2020-11993.json

mailing-list

x_refsource_MLIST

[httpd-cvs] 20210606 svn commit: r1075470 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html

mailing-list

x_refsource_MLIST

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