CVE-2017-18034 Cross-site scripting in Fisheye and Crucible
Remote attackers with repository write access can inject arbitrary HTML or JavaScript via crafted branch names, potentially executing code in victim browsers.
- 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-2017-18034?
CVE-2017-18034 is a medium-severity cross-site scripting vulnerability in Atlassian Crucible, published on 2 Feb 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
The source browse resource in Atlassian Fisheye and Crucible before version 4.5.1 and 4.6.0 allows allows remote attackers that have write access to an indexed repository to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in via a specially crafted repository branch name when trying to display deleted files of the branch.
Weakness: CWE-79
Which versions are affected by CVE-2017-18034?
It affects 2 products.
Products include Atlassian Crucible, Atlassian Fisheye.
How do I fix CVE-2017-18034?
No fix has been published for CVE-2017-18034 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-2017-18034 being exploited?
There is no known exploitation of CVE-2017-18034 in the wild and no public exploit code.
Other vulnerabilities in Atlassian Crucible
Sources
Also known as GHSA-x7hq-f29f-78q8.