ASA-2019-00515 – Apache HTTP Server: mod_http2, memory corruption on early pushes


Allele Security Alert

ASA-2019-00515

Identifier(s)

ASA-2019-00515, CVE-2019-10081

Title

mod_http2, memory corruption on early pushes

Vendor(s)

The Apache Software Foundation

Product(s)

Apache HTTP Server

Affected version(s)

Apache HTTP Server versions 2.4.20 to 2.4.39

Fixed version(s)

Apache HTTP Server version 2.4.41

Proof of concept

Unknown

Description

HTTP/2 very early pushes, for example configured with “H2PushResource”, could lead to an overwrite of memory in the pushing request’s pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client.

Technical details

Unknown

Credits

Craig Young (Tripwire VERT)

Reference(s)

httpd 2.4 vulnerabilities – The Apache HTTP Server Project
https://httpd.apache.org/security/vulnerabilities_24.html

CVE-2019-10081: mod_http2, memory corruption on early pushes
https://seclists.org/oss-sec/2019/q3/137

Apache HTTP Server 2.4.41 Released
https://www.apache.org/dist/httpd/Announcement2.4.html

CVE-2019-10081
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10081

CVE-2019-10081
https://nvd.nist.gov/vuln/detail/CVE-2019-10081

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Last modified: August 21, 2019

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