CVE-2017-6776 Cross-site scripting in Elastic Services Controller
Unauthenticated remote attackers can execute arbitrary script code or access sensitive browser information via XSS in the Cisco ESC web interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2017-6776?
CVE-2017-6776 is a medium-severity cross-site scripting vulnerability in Cisco Systems, Inc. Elastic Services Controller, published on 17 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web framework of Cisco Elastic Services Controller (ESC) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface. The vulnerability is due to insufficient validation of user-supplied input by the affected software. An attacker could exploit this vulnerability by convincing a user to access a malicious link or by intercepting a user request and injecting malicious code into the request. An exploit could allow the attacker to execute arbitrary script code in the context of the affected site or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvd76324. Known Affected Releases: 2.2(9.76) and 2.3(1).
Weakness: CWE-79
Which versions are affected by CVE-2017-6776?
It affects 1 product.
Products include Cisco Elastic Services Controller.
How do I fix CVE-2017-6776?
No fix has been published for CVE-2017-6776 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2017-6776 being exploited?
There is no known exploitation of CVE-2017-6776 in the wild and no public exploit code.
Other vulnerabilities in Cisco Systems, Inc. Elastic Services Controller
- CVE-2019-1867 Cisco Elastic Services Controller REST API Authentication Bypass Vulnerability
- CVE-2018-0121 Auth bypass in Cisco Elastic Services Controller
- CVE-2017-6713 Hardcoded credentials in Cisco Elastic Services Controller
- CVE-2017-6712 Command injection in Cisco Elastic Services Controller
- CVE-2017-6682 Command injection in Cisco Elastic Services Controller
Sources
Also known as GHSA-m3qg-wjgv-hpqm.