protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict…
Priority MEDIUM 61Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Partial Red Hat: 12 fixed, 2 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.
Why it matters now
EPSS 0.82198 99th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 12 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | 2.0.0 to before 2.0.65; 2.2.0 to before 2.2.22 | Vulnerable | Apache |
| cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* | 10 sp4 | Vulnerable | SUSE |
| cpe:2.3:a:redhat:storage:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:6.2:*:*:*:*:*:*:* | 6.2 | Vulnerable | Red Hat |
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.0.65; 2.2.0 to before 2.2.22 Vulnerable ·Apache
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
- cpe:2.3:a:redhat:storage:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:6.2:*:*:*:*:*:*:* Versions 6.2 Vulnerable ·Red Hat
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:jboss_enterprise_web_server:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | 5.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Running on | Red Hat |
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:jboss_enterprise_web_server:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
Remediation
Red Hat 4 advisories
- RHSA-2012:0543 Released 2012-05-07 · Red Hat rating Moderatehttpd security and bug fix update
- Red Hat JBoss Web Server 1.0
- RHSA-2012:0542 Released 2012-05-07 · Red Hat rating Moderatehttpd security and bug fix update
- Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server httpd-2.2.17-15.4.ep5.el5, httpd-2.2.17-15.4.ep5.el5.i386, httpd-devel-2.2.17-15.4.ep5.el5 +5
- Red Hat JBoss Enterprise Web Server 1 for RHEL 6 Server httpd-2.2.17-15.4.ep5.el6, httpd-2.2.17-15.4.ep5.el6.i386, httpd-devel-2.2.17-15.4.ep5.el6 +7
- RHSA-2012:0323 Released 2012-02-21 · Red Hat rating Moderatehttpd security update
- RHEL Desktop Workstation (v. 5 client) httpd-2.2.3-63.el5_8.1, httpd-devel-2.2.3-63.el5_8.1, httpd-devel-2.2.3-63.el5_8.1.i386 +2
- Red Hat Enterprise Linux (v. 5 server) httpd-2.2.3-63.el5_8.1, httpd-2.2.3-63.el5_8.1.i386, httpd-2.2.3-63.el5_8.1.ia64 +13
- Red Hat Enterprise Linux Desktop (v. 5 client) httpd-2.2.3-63.el5_8.1, httpd-2.2.3-63.el5_8.1.i386, mod_ssl-1:2.2.3-63.el5_8.1 +1
Show 1 more Red Hat advisories
- RHSA-2012:0128 Released 2012-02-13 · Red Hat rating Moderatehttpd security update
- Red Hat Enterprise Linux Desktop (v. 6) httpd-2.2.15-15.el6_2.1, httpd-tools-2.2.15-15.el6_2.1
- Red Hat Enterprise Linux Desktop Optional (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-manual-2.2.15-15.el6_2.1 +1
- Red Hat Enterprise Linux HPC Node (v. 6) httpd-2.2.15-15.el6_2.1, httpd-tools-2.2.15-15.el6_2.1
- Red Hat Enterprise Linux HPC Node Optional (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-manual-2.2.15-15.el6_2.1 +1
- Red Hat Enterprise Linux Server (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1.ppc +3
- Red Hat Enterprise Linux Workstation (v. 6) httpd-2.2.15-15.el6_2.1, httpd-devel-2.2.15-15.el6_2.1, httpd-manual-2.2.15-15.el6_2.1 +2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Directory Server 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| RHEL Desktop Workstation (v. 5 client) | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2012:0323 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0128 |
| Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server | Fixed | RHSA-2012:0542 |
| Red Hat JBoss Enterprise Web Server 1 for RHEL 6 Server | Fixed | RHSA-2012:0542 |
| Red Hat JBoss Web Server 1.0 | Fixed | RHSA-2012:0543 |
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0053
- 2026-10-03 Alias added: GHSA-x2wg-fp56-xx79
References
Advisory 20
- HPSBMU02786
- MDVSA-2012:012
- SSRT101112
- RHSA-2012:0543
- SSRT100772
- RHSA-2012:0128
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- RHSA-2012:0542
- http://httpd.apache.org/security/vulnerabilities_22.html
- APPLE-SA-2012-09-19-2
- http://support.apple.com/kb/HT5501
- http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
- https://bugzilla.redhat.com/show_bug.cgi?id=785069
- SSRT100852
- HPSBUX02761
- openSUSE-SU-2012:0314
- MDVSA-2013:150
- DSA-2405
- http://kb.juniper.net/JSA10585
- SUSE-SU-2012:0323
Other 22
- [httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [8/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/
- [httpd-cvs] 20210330 svn commit: r1888194 [8/13] - /httpd/site/trunk/content/security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [8/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210603 svn commit: r1075360 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210603 svn commit: r1075360 [1/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075467 [2/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075467 [1/2] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
Sources
- CVE-2012-0053 · CVE Program
- CVE-2012-0053 · NVD
- FIRST EPSS
- GHSA-x2wg-fp56-xx79 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0053 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences