Patchfirst
CVE-2006-1547 KEVPublic exploit High · 7.5 EPSS 54.6%

Apache Struts 1 ActionForm Denial-of-Service Vulnerability

Apache · Struts 1

Summary

Apache Struts 1 (versions before 1.2.9 paired with BeanUtils 1.7) contains a flaw in its ActionForm handling, in which a crafted parameter name exposes the public getMultipartRequestHandler method and the CommonsMultipartRequestHandler and BeanUtils elements behind it. A remote, unauthenticated attacker with no user interaction required can send a multipart/form-data request with such a parameter name to cause a denial of service.

Official description · NVD

ActionForm in Apache Software Foundation (ASF) Struts before 1.2.9 with BeanUtils 1.7 allows remote attackers to cause a denial of service via a multipart/form-data encoded form with a parameter name that references the public getMultipartRequestHandler method, which provides further access to elements in the CommonsMultipartRequestHandler implementation and BeanUtils.

Breakdown
68.1 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
2/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited 16 years after disclosure.

  1. Disclosedday 0
  2. First seen exploitedVulnCheck KEV evidenceAdded to CISA KEVEU database agrees+16 yrs

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Initial AccessTA0001

Exploit Public-Facing Application T1190 Medium
AI mapping from the description · how it is exploited

Remote crafted multipart form request against public web app

allows remote attackers to cause a denial of service via a multipart/form-data encoded form
From the official description (NVD) Original (opens in a new tab) ↗

ImpactTA0040

Application or System Exploitation T1499.004 Medium
AI mapping from the description · primary impact

Application-layer DoS via crafted parameter name

allows remote attackers to cause a denial of service
From the official description (NVD) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 152 general rules for its techniques

Rules for this CVE

0 that reference CVE-2006-1547 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

General rules for this CVE’s techniques

These detect the technique in general, not this specific vulnerability.

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

Am I affected? What do I upgrade to?

From GitHub Security Advisories and OSV

1 package in 1 ecosystem. Main package: struts:struts.

Mavenstruts:strutsGHSA-7qwv-cwgj-c8rj

Upgrade to 1.2.9 or later

Set the version to 1.2.9 or later in your pom.xml or build.gradle.

The first fix for CVE-2006-1547. No other CVE tracked by Patchfirst affects this package.

Affected versions

If you runUpgrade to
All versions before 1.2.91.2.9

“Up to” means the second version is the fix and is not affected.

Check your lockfile against all CVEs

What security researchers reported

Not named in any threat report yet

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

10 links, grouped by NVD tag (9 duplicates merged)
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