High severityNVD Advisory· Published Mar 7, 2023· Updated Feb 13, 2025
Apache HTTP Server: mod_proxy_uwsgi HTTP response splitting
CVE-2023-27522
Description
HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55.
Special characters in the origin response header can truncate/split the response forwarded to the client.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
uWSGIPyPI | < 2.0.22 | 2.0.22 |
Affected products
39- osv-coords38 versionspkg:bitnami/apachepkg:pypi/uwsgipkg:rpm/almalinux/httpdpkg:rpm/almalinux/httpd-corepkg:rpm/almalinux/httpd-develpkg:rpm/almalinux/httpd-filesystempkg:rpm/almalinux/httpd-manualpkg:rpm/almalinux/httpd-toolspkg:rpm/almalinux/mod_http2pkg:rpm/almalinux/mod_ldappkg:rpm/almalinux/mod_luapkg:rpm/almalinux/mod_mdpkg:rpm/almalinux/mod_proxy_htmlpkg:rpm/almalinux/mod_sessionpkg:rpm/almalinux/mod_sslpkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/apache2&distro=openSUSE%20Tumbleweedpkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/apache2&distro=SUSE%20Manager%20Server%204.2
>= 2.4.30, < 2.4.56+ 37 more
- (no CPE)range: >= 2.4.30, < 2.4.56
- (no CPE)range: < 2.0.22
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.57-5.el9
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 1.15.7-8.module_el8.8.0+3554+ec1058a7.3
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.57-5.el9
- (no CPE)range: < 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa
- (no CPE)range: < 1:2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 1:2.4.37-56.module_el8.8.0+3605+a3cf1030.7
- (no CPE)range: < 2.4.51-150400.6.11.1
- (no CPE)range: < 2.4.56-1.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.33-150000.3.75.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150400.6.11.1
- (no CPE)range: < 2.4.51-150400.6.11.1
- (no CPE)range: < 2.4.51-150400.6.11.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-35.25.1
- (no CPE)range: < 2.4.33-150000.3.75.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-35.25.1
- (no CPE)range: < 2.4.33-150000.3.75.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-35.25.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- (no CPE)range: < 2.4.51-150200.3.56.1
- Range: 2.4.30
Patches
Vulnerability mechanics
References
9- github.com/advisories/GHSA-vcph-37mh-fqrhghsaADVISORY
- httpd.apache.org/security/vulnerabilities_24.htmlghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-27522ghsaADVISORY
- github.com/apache/httpd/commit/d753ea76b5972a85349b68c31b59d04c60014f2dghsaWEB
- github.com/unbit/uwsgi/commit/58ee1df31fa9e9af106aaeabb82374c36b433822ghsaWEB
- github.com/unbit/uwsgi/commit/acb03530aaaeaa810f28a5b64da619525940f569ghsaWEB
- lists.debian.org/debian-lts-announce/2023/04/msg00028.htmlghsaWEB
- security.gentoo.org/glsa/202309-01ghsaWEB
- uwsgi-docs.readthedocs.io/en/latest/Changelog-2.0.22.htmlghsaWEB
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