Vulnerability in Apache Tomcat (CVE-2012-4534)
Summary
Vulnerability in Apache Tomcat (CVE-2012-4534). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
org/apache/tomcat/util/net/NioEndpoint.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28, when the NIO connector is used in conjunction with sendfile and HTTPS, allows remote attackers to cause a denial of service (infinite loop) by terminating the connection during the reading of a response.
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2012-4534 has been found in Apache Tomcat.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Apache Tomcat CVE-2012-4534" on the vendor's site.
CVE-2012-4534 (Apache Tomcat) — CWE-399
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-399) exists in Apache Tomcat.
Check the vendor advisory for the affected versions of Apache Tomcat.
Severity: ?. Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'Tomcat' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'Tomcat' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
Tomcatを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- exploit issues.apache.org
- patch svn.apache.org
- patch svn.apache.org
- patch tomcat.apache.org
- patch tomcat.apache.org
- web archives.neohapsis.com
- web lists.opensuse.org
- web lists.opensuse.org
- web lists.opensuse.org
- web marc.info
- web marc.info
- web rhn.redhat.com
- web secunia.com
- web svn.apache.org
- web securityfocus.com
- web securitytracker.com
- web ubuntu.com
- web h20566.www2.hp.com
- web oval.cisecurity.org