Vulnerability · Published Jun 8, 2022 · Assigned by apache
CVE-2022-30556Information Disclosure in mod_lua with websockets
High 7.5
In plain English
A high-severity information exposure in Apache HTTP Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 5.4% (higher than 93% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)5.4%top 7.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | httpd | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | httpd | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:9 | httpd-core | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | httpd-devel | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | httpd-devel | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | httpd-filesystem | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | httpd-filesystem | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | httpd-manual | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | httpd-manual | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | httpd-tools | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | httpd-tools | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | mod_http2 | 1.15.7-5.module_el8.6.0+2872+fe0ff7aa | ALSA-2022:7647 |
| AlmaLinux:8 | mod_http2 | 1.15.7-5.module_el8.6.0+3031+fb177b09 | ALSA-2022:7647 |
| AlmaLinux:8 | mod_ldap | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | mod_ldap | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:9 | mod_lua | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+3031+fb177b09 | ALSA-2022:7647 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2022:7647 |
| AlmaLinux:8 | mod_proxy_html | 1:2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | mod_proxy_html | 1:2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | mod_session | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | mod_session | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux:8 | mod_ssl | 1:2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux:9 | mod_ssl | 1:2.4.53-7.el9 | ALSA-2022:8067 |
| Alpine:v3.20 | apache2 | 2.4.54-r0 | ALPINE-CVE-2022-30556 |
| Alpine:v3.21 | apache2 | 2.4.54-r0 | ALPINE-CVE-2022-30556 |
| Alpine:v3.22 | apache2 | 2.4.54-r0 | ALPINE-CVE-2022-30556 |
| Alpine:v3.23 | apache2 | 2.4.54-r0 | ALPINE-CVE-2022-30556 |
| Alpine:v3.24 | apache2 | 2.4.54-r0 | ALPINE-CVE-2022-30556 |
| Debian:12 | apache2 | 2.4.54-1 | DEBIAN-CVE-2022-30556 |
| Debian:13 | apache2 | 2.4.54-1 | DEBIAN-CVE-2022-30556 |
| Debian:14 | apache2 | 2.4.54-1 | DEBIAN-CVE-2022-30556 |
| Rocky Linux:8 | httpd | 0:2.4.37-51.module+el8.7.0+1059+126e9251 | RLSA-2022:7647 |
| Rocky Linux:9 | httpd | 0:2.4.53-7.el9 | RLSA-2022:8067 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-5.module+el8.6.0+823+f143cee1 | RLSA-2022:7647 |
| Rocky Linux:8 | mod_md | 1:2.0.8-8.module+el8.4.0+553+7a69454b | RLSA-2022:7647 |
| Rocky Linux:8 | mod_md | 1:2.0.8-8.module+el8.5.0+695+1fa8055e | RLSA-2022:7647 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.1 | USN-5487-1 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.1 | UBUNTU-CVE-2022-30556 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache HTTP Server | unspecified – through 2.4.53 |
Weakness: CWE-200
References
- https://httpd.apache.org/security/vulnerabilities_24.html x_refsource_MISC
- [oss-security] 20220608 CVE-2022-30556: Apache HTTP Server: Information Disclosure in mod_lua with websockets mailing-list, x_refsource_MLIST
- https://security.netapp.com/advisory/ntap-20220624-0005/ x_refsource_CONFIRM
- FEDORA-2022-e620fb15d5 vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-b54a8dee29 vendor-advisory, x_refsource_FEDORA
- GLSA-202208-20 vendor-advisory, x_refsource_GENTOO