CVE-2020-11993
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apache Http Server
PublishedAug 7, 2020
First seenAug 7, 2020
How to fix
Update
- apache http_server2.4.44 or later
Vendor advisories
- security.gentoo.org/glsa/202008-04
- usn.ubuntu.com/4458-1/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4NKWG2EXAQQB6LMLATKZ7KLSRGCSHVAN/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVFDBVM6E3JF3O7RYLRPRCH3RDRHJJY/
- debian.org/security/2020/dsa-4757
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache http_server | 2.4.20 ≤ v < 2.4.44 | 2.4.44 |
| netapp clustered_data_ontap | No range specified | — |
| canonical ubuntu_linux | 16.04, 18.04, 20.04 | — |
| opensuse leap | 15.1, 15.2 | — |
| debian debian_linux | 10.0 | — |
| fedoraproject fedora | 31, 32 | — |
| oracle communications_element_manager | 8.2.0 ≤ v ≤ 8.2.2 | — |
| oracle communications_session_report_manager | 8.2.0 ≤ v ≤ 8.2.2 | — |
| oracle communications_session_route_manager | 8.2.0 ≤ v ≤ 8.2.2 | — |
| oracle enterprise_manager_ops_center | 12.4.0.0 | — |
| oracle hyperion_infrastructure_technology | 11.1.2.4 | — |
| oracle instantis_enterprisetrack | 17.1, 17.2, 17.3 | — |
| oracle zfs_storage_appliance_kit | 8.8 | — |
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