Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-66200: mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. CVE-2025-65082: Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through 2.4.65. Users are recommended to upgrade to version 2.4.66 which fixes the issue. CVE-2025-58098: Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. CVE-2025-55753: An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: from 2.4.30 before 2.4.66. Users are recommended to upgrade to version 2.4.66, which fixes the issue.
Fixed packages 11
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | httpd | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-debuginfo | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-devel | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-filesystem | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-manual | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | httpd-tools | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_ldap | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_md | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_proxy_html | 1:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_session | 0:2.4.66-1.amzn2.0.1 |
| Amazon Linux · 2 | mod_ssl | 1:2.4.66-1.amzn2.0.1 |
Vulnerabilities 4
-
High 8.3CVE-2025-58098 Public exploit
Apache HTTP Server: Server Side Includes adds query string to #exec cmd=...
Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects Apache HTTP Server before 2.4.66. Users are recommended to upg…
-
High 7.5
Apache HTTP Server: mod_md (ACME), unintended retry intervals
An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. T…
-
Medium 6.5
Apache HTTP Server: CGI environment variable override
Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects A…
-
Medium 5.4
Apache HTTP Server: mod_userdir+suexec bypass via AllowOverride FileInfo
mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: fro…