CVE-2017-7762: Input Validation
First published: Tue Jun 13 2017(Updated: )
A flaw was found in Firefox versions before 54. When entered directly, Reader Mode did not strip the username and password section of URLs displayed in the address bar. This can be used for spoofing the domain of the current page. References: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1358248">https://bugzilla.mozilla.org/show_bug.cgi?id=1358248</a> <a href="https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/">https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/</a> Patch: <a href="https://bugzilla.mozilla.org/attachment.cgi?id=8868506&action=diff">https://bugzilla.mozilla.org/attachment.cgi?id=8868506&action=diff</a>
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/firefox | <54 | 54 |
| Firefox | <54 | 54 |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| Firefox | <54.0 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1358248
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/
- http://www.securityfocus.com/bid/99047
- http://www.securitytracker.com/id/1038689
- https://access.redhat.com/errata/RHSA-2018:2112
- https://access.redhat.com/errata/RHSA-2018:2113
- https://www.mozilla.org/security/advisories/mfsa2017-15/
- https://bugzilla.mozilla.org/attachment.cgi?id=8868506&action=diff
- https://bugzilla.redhat.com/show_bug.cgi?id=1590493
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2017-5472
- CVE-2017-7749
- CVE-2017-7750
- CVE-2017-7751
- CVE-2017-7752
- CVE-2017-7754
- CVE-2017-7755
- CVE-2017-7756
- CVE-2017-7757
- CVE-2017-7778
- CVE-2017-7758
- CVE-2017-7759
- CVE-2017-7760
- CVE-2017-7761
- CVE-2017-7762
- CVE-2017-7763
- CVE-2017-7764
- CVE-2017-7765
- CVE-2017-7766
- CVE-2017-7767
- CVE-2017-7768
- CVE-2017-7770
- CVE-2017-5471
- CVE-2017-5470
Frequently Asked Questions
What is the severity of CVE-2017-7762?
CVE-2017-7762 is classified as a moderate severity vulnerability.
How does CVE-2017-7762 affect Firefox?
CVE-2017-7762 allows Reader Mode in Firefox to display URLs with unstripped username and password sections, leading to potential domain spoofing.
How do I fix CVE-2017-7762?
To fix CVE-2017-7762, upgrade Firefox to version 54 or higher.
Which versions of Firefox are affected by CVE-2017-7762?
Firefox versions before 54 are affected by CVE-2017-7762.
What platforms are impacted by CVE-2017-7762?
CVE-2017-7762 impacts various platforms running affected versions of Firefox, including Red Hat Enterprise Linux Desktop, Server, and Workstation.
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