VDB
RHSA-2012%3A0543
RHSA-2012%3A0543
PUBLISHED
CVSS 5 MEDIUM
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary "error state" in the backend server) via a malformed HTTP request.
Risk Scores
CVSS 2.0
5
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat JBoss Web Server 1.0 |
Timeline
- Nov 17, 2011 PoC Published
- May 7, 2012 CVE Published
- Jan 6, 2013 PoC Published
- May 27, 2014 PoC Published
- Apr 29, 2026 Distribution Patch
- Apr 29, 2026 Distribution Patch
- Apr 29, 2026 Security Advisory
- Apr 29, 2026 Security Advisory
- Apr 29, 2026 Security Advisory
- Apr 29, 2026 Security Advisory
- Apr 29, 2026 Security Advisory
- Apr 29, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2012:0543 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=740045 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=769844 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=785069 issue
- https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=1.0.2 advisory
- https://rhn.redhat.com/errata/RHSA-2011-1330.html advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=736690 issue
- https://bugzilla.redhat.com/show_bug.cgi?id=773744 issue
- https://access.redhat.com/security/updates/classification/#moderate advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=785065 issue
- https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0543.json advisory
- https://access.redhat.com/security/cve/CVE-2011-3348 advisory
- https://www.cve.org/CVERecord?id=CVE-2011-3348 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-3348 advisory
- http://httpd.apache.org/security/vulnerabilities_22.html#2.2.21 advisory
- https://access.redhat.com/security/cve/CVE-2011-3368 advisory
- https://www.cve.org/CVERecord?id=CVE-2011-3368 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-3368 advisory
- http://www.contextis.com/research/blog/reverseproxybypass/ advisory
- https://access.redhat.com/security/cve/CVE-2011-3607 advisory
…and 11 more