CVE-2011-0534

Home/CVE/Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests inv

CVE

Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests inv

Apache Tomcat 7.0.0 through 7.0.6 and 6.0.0 through 6.0.30 does not enforce the maxHttpHeaderSize limit for requests involving the NIO HTTP connector, which allows remote attackers to cause a denial of service (OutOfMemoryError) via a crafted request.

MEDIUM · CVSS 5 EPSS 0.16272

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 5% of all CVEs by exploitation likelihood

Sigma rules1 YARA rules0

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Affected Products & Versions

apache tomcatall versions

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Affected Packages

Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.

Maven org.apache.tomcat:tomcat HIGH fixed in 6.0.32

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

productmediumTomcat WebServer Logs Deleted

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD10 Feb 2011 · 06:00 PM

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Vendor Advisories

usnUSN-1097-1
rhsaRHSA-2011:0335Moderate
rhsaRHSA-2011:0350Moderate
rhsaRHSA-2011:0348Moderate

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html

http://marc.info/?l=bugtraq&m=139344343412337&w=2

http://osvdb.org/70809

http://secunia.com/advisories/43192

http://secunia.com/advisories/45022

Show all 18 references

http://secunia.com/advisories/57126

http://securityreason.com/securityalert/8074

http://support.apple.com/kb/HT5002

http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5098550.html

http://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.32PatchVendor Advisory

http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.8_%28released_5_Feb_2011%29

http://www.debian.org/security/2011/dsa-2160

http://www.securityfocus.com/archive/1/516214/100/0/threaded

http://www.securityfocus.com/bid/46164

http://www.securitytracker.com/id?1025027

http://www.vupen.com/english/advisories/2011/0293Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/65162

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