CVE-2018-0208 Cross-site scripting in Cisco Registered Envelope Service
An authenticated attacker can execute arbitrary scripts or access sensitive data via XSS in the Cisco Registered Envelope Service web interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-0208?
CVE-2018-0208 is a medium-severity cross-site scripting vulnerability in Cisco Registered Envelope Service, published on 8 Mar 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability in the web-based management interface of the (cloud based) Cisco Registered Envelope Service could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected service. The vulnerability is due to insufficient validation of user-supplied input that is processed by the web-based management interface of the affected service. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive browser-based information. Cisco Bug IDs: CSCvg74126.
Weakness: CWE-79
Which versions are affected by CVE-2018-0208?
It affects 1 product.
Products include Cisco Email Encryption.
How do I fix CVE-2018-0208?
No fix has been published for CVE-2018-0208 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-2018-0208 being exploited?
There is no known exploitation of CVE-2018-0208 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Cisco Registered Envelope Service
Sources
Also known as GHSA-h8qx-54h3-952g.