CVE-2017-7797: High severity firefox vulnerability

Published Aug 8, 2017
·
Updated

Response header name interning does not have same-origin protections and these headers are stored in a global registry. This allows stored header names to be available cross-origin.

Affected Software

2 affected componentsFixes available
Mozilla Firefox<55
55
Mozilla Firefox<55.0

Event History

Aug 8, 2017
CVE Published
12:00 AM
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2017-7797?

CVE-2017-7797 has a high severity rating due to its potential for cross-origin exposure of header names.

2

How do I fix CVE-2017-7797?

To mitigate CVE-2017-7797, upgrade your Mozilla Firefox to version 55 or later.

3

Which versions of Firefox are affected by CVE-2017-7797?

CVE-2017-7797 affects all versions of Mozilla Firefox prior to version 55.

4

What type of vulnerability is CVE-2017-7797?

CVE-2017-7797 is a vulnerability related to inadequate same-origin protections for response header name interning.

5

What impact does CVE-2017-7797 have on users?

CVE-2017-7797 can allow attackers to access response headers across different origins, potentially leading to data exposure.

Contact

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