Improper input validation in Apache Struts
CVE-2008-6504
ParametersInterceptor in OpenSymphony XWork 2.0.x before 2.0.6 and 2.1.x before 2.1.2, as used in Apache Struts and other products, does not properly restrict # (pound sign) references to context objects, which allows remote attackers to execute Object-Graph Navigation Language (OGNL) statements and modify server-side context objects, as demonstrated by use of a \u0023 representation for the # character.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.366 (98.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.366 · newest: 0.366 · change: 0.000
Affected products
- Apache Struts — versions 2.0.0, 2.0.2, 2.0.3
- Opensymphony Xwork — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/32495 (Vendor Advisory, third-party-advisory)
- fisheye6.atlassian.com/cru/CR-9/ (Patch)
- struts.apache.org/2.x/docs/s2-003.html (Exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/46328 (vdb-entry)
- www.vupen.com/english/advisories/2008/3003 (vdb-entry, Vendor Advisory)
- www.vupen.com/english/advisories/2008/3004 (vdb-entry)
- www.securityfocus.com/bid/32101 (vdb-entry)
- secunia.com/advisories/32497 (Vendor Advisory, third-party-advisory)
- jira.opensymphony.com/browse/XW-641 (Exploit)
- issues.apache.org/struts/browse/WW-2692 (Exploit)
Frequently asked questions
- What is CVE-2008-6504?
- CVE-2008-6504 is a vulnerability in Apache Struts, classified under Improper Input Validation. Published 2009-03-23.
- Is CVE-2008-6504 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.