CVE-2017-5451: Input Validation
A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
Other sources
A mechanism to spoof the addressbar through the user interaction on the addressbar and the <code>onblur</code> event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar.
External Reference:
https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/#CVE-2017-5451
Acknowledgements:
Name: the Mozilla project Upstream: Jordi Chancel
— Red Hat
A mechanism to spoof the addressbar through the user interaction on the addressbar and the onblur event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar.
Affected Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-5433
- CVE-2017-5435
- CVE-2017-5436
- CVE-2017-5461
- CVE-2017-5459
- CVE-2017-5466
- CVE-2017-5434
- CVE-2017-5432
- CVE-2017-5460
- CVE-2017-5438
- CVE-2017-5439
- CVE-2017-5440
- CVE-2017-5441
- CVE-2017-5442
- CVE-2017-5464
- CVE-2017-5443
- CVE-2017-5444
- CVE-2017-5446
- CVE-2017-5447
- CVE-2017-5465
- CVE-2016-10196
- CVE-2017-5454
- CVE-2017-5469
- CVE-2017-5445
- CVE-2017-5449
- CVE-2017-5451
- CVE-2017-5462
- CVE-2017-5467
- CVE-2017-5430
- CVE-2017-5429
- CVE-2017-5448
- CVE-2017-5455
- CVE-2017-5456
- CVE-2017-5450
- CVE-2017-5463
- CVE-2017-5452
- CVE-2017-5453
- CVE-2017-5458
- CVE-2017-5468
Frequently Asked Questions
What is the severity of CVE-2017-5451?
CVE-2017-5451 is categorized as a moderate severity vulnerability.
How do I fix CVE-2017-5451?
To fix CVE-2017-5451, update your Mozilla Thunderbird, Firefox ESR, or Firefox to the latest version beyond the affected versions.
Which versions of Mozilla Thunderbird are affected by CVE-2017-5451?
CVE-2017-5451 affects Mozilla Thunderbird versions up to 52.1.
Which versions of Firefox are affected by CVE-2017-5451?
CVE-2017-5451 impacts Firefox versions up to 53 and Firefox ESR versions up to 52.1.
Is CVE-2017-5451 a user interaction vulnerability?
Yes, CVE-2017-5451 is a user interaction vulnerability that allows spoofing of the address bar.