CVE-2007-4556

Struts support in OpenSymphony XWork before 1.2.3, and 2.x before 2.0.4, as used in WebWork and Apache Struts, recursively evaluates all input as an Object-Graph Navigation Language (OGNL) expression when altSyntax is enabled, which allows remote attackers to cause a denial of service (infinite loop) or execute arbitrary code via form input beginning with a "%{" sequence and ending with a "}" character.

🔗 References (28)

• cve@mitrehttp://forums.opensymphony.com/ann.jspa?annID=54
• cve@mitrehttp://issues.apache.org/struts/browse/WW-2030
• cve@mitrehttp://jira.opensymphony.com/browse/XW-544
• cve@mitrehttp://jira.opensymphony.com/secure/ReleaseNote.jspa?projectId=10050&styleName=Html&version=21701
• cve@mitrehttp://jira.opensymphony.com/secure/ReleaseNote.jspa?projectId=10050&styleName=Html&version=21706
• cve@mitrehttp://osvdb.org/37072
• cve@mitrehttp://secunia.com/advisories/26681
• cve@mitrehttp://secunia.com/advisories/26693
• cve@mitrehttp://secunia.com/advisories/26694
• cve@mitrehttp://struts.apache.org/2.x/docs/s2-001.html
• cve@mitrehttp://wiki.opensymphony.com/display/WW/1.2.3+Press+Release
• cve@mitrehttp://www.securityfocus.com/bid/25524
• cve@mitrehttp://www.vupen.com/english/advisories/2007/3041
• cve@mitrehttp://www.vupen.com/english/advisories/2007/3042
• af854a3a-2127-422b-91ae-364da2661108http://forums.opensymphony.com/ann.jspa?annID=54