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CVE-2012-2733

UnknownEPSS 8.74%

Last modified

CVE-2012-2733 is a vulnerability of currently unknown severity. java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.. EPSS estimates a 8.74% chance of exploitation in the next 30 days.

Description

java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.

Metrics

EPSS Probability
8.74%

94.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheTomcat6.0
ApacheTomcat6.0.0
ApacheTomcat6.0.1
ApacheTomcat6.0.2
ApacheTomcat6.0.3
ApacheTomcat6.0.4
ApacheTomcat6.0.5
ApacheTomcat6.0.6
ApacheTomcat6.0.7
ApacheTomcat6.0.8
ApacheTomcat6.0.9
ApacheTomcat6.0.10
ApacheTomcat6.0.11
ApacheTomcat6.0.12
ApacheTomcat6.0.13
ApacheTomcat6.0.14
ApacheTomcat6.0.15
ApacheTomcat6.0.16
ApacheTomcat6.0.17
ApacheTomcat6.0.18
ApacheTomcat6.0.19
ApacheTomcat6.0.20
ApacheTomcat6.0.24
ApacheTomcat6.0.26
ApacheTomcat6.0.27
ApacheTomcat6.0.28
ApacheTomcat6.0.29
ApacheTomcat6.0.30
ApacheTomcat6.0.31
ApacheTomcat6.0.32
ApacheTomcat6.0.33
ApacheTomcat6.0.35
ApacheTomcat7.0.0
ApacheTomcat7.0.1
ApacheTomcat7.0.2
ApacheTomcat7.0.3
ApacheTomcat7.0.4
ApacheTomcat7.0.5
ApacheTomcat7.0.6
ApacheTomcat7.0.7
ApacheTomcat7.0.8
ApacheTomcat7.0.9
ApacheTomcat7.0.10
ApacheTomcat7.0.11
ApacheTomcat7.0.12
ApacheTomcat7.0.13
ApacheTomcat7.0.14
ApacheTomcat7.0.15
ApacheTomcat7.0.16
ApacheTomcat7.0.17

Showing 50 of 57 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-2733?
java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.
How severe is CVE-2012-2733?
Severity scoring for CVE-2012-2733 is pending analysis. The EPSS model estimates a 8.74% probability of exploitation in the next 30 days.
How do I fix CVE-2012-2733?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-2733?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST