CVE-2017-9802: XSS
First published: Mon Aug 14 2017(Updated: )
The Javascript method Sling.evalString() in Apache Sling Servlets Post before 2.3.22 uses the javascript 'eval' function to parse input strings, which allows for XSS attacks by passing specially crafted input strings.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Sling API | <=2.3.20 |
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Reference Links
- http://packetstormsecurity.com/files/143758/Apache-Sling-Servlets-Post-2.3.20-Cross-Site-Scripting.html
- http://www.securityfocus.com/archive/1/541024/100/0/threaded
- http://www.securityfocus.com/bid/100284
- https://issues.apache.org/jira/browse/SLING-7041
- https://lists.apache.org/thread.html/2f4b8333e44c6e7e0b00933bd4204ce64829952f60dbb6814f2cdf91@%3Cdev.sling.apache.org%3E
- https://lists.apache.org/thread.html/2f4b8333e44c6e7e0b00933bd4204ce64829952f60dbb6814f2cdf91%40%3Cdev.sling.apache.org%3E
Frequently Asked Questions
What is the severity of CVE-2017-9802?
CVE-2017-9802 has a medium severity rating due to its potential for cross-site scripting (XSS) attacks.
How do I fix CVE-2017-9802?
To fix CVE-2017-9802, upgrade Apache Sling Servlets Post to version 2.3.22 or later.
What impacts does CVE-2017-9802 have on affected systems?
CVE-2017-9802 allows attackers to execute arbitrary JavaScript in the context of the victim's browser, potentially compromising sensitive information.
Which versions of Apache Sling Servlets Post are affected by CVE-2017-9802?
Apache Sling Servlets Post versions prior to 2.3.22 are affected by CVE-2017-9802.
How does CVE-2017-9802 allow for XSS attacks?
CVE-2017-9802 utilizes the Javascript 'eval' function to process input strings without adequate sanitization, enabling XSS exploitation.
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