CVE-2015-4498
First published: Sat Aug 29 2015(Updated: )
The add-on installation feature in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to bypass an intended user-confirmation requirement by constructing a crafted data: URL and triggering navigation to an arbitrary http: or https: URL at a certain early point in the installation process.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Firefox | <=40.0.2 | |
| Firefox | =38.0 | |
| Firefox | =38.0.1 | |
| Firefox | =38.0.5 | |
| Firefox | =38.1.0 | |
| Firefox | =38.2.0 | |
| Firefox ESR | =38.0 | |
| Firefox ESR | =38.0.1 | |
| Firefox ESR | =38.0.5 | |
| Firefox ESR | =38.1.0 | |
| Firefox ESR | =38.2.0 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2015-09/msg00000.html
- http://rhn.redhat.com/errata/RHSA-2015-1693.html
- http://www.debian.org/security/2015/dsa-3345
- http://www.mozilla.org/security/announce/2015/mfsa2015-95.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/76505
- http://www.securitytracker.com/id/1033396
- http://www.ubuntu.com/usn/USN-2723-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1042699
Frequently Asked Questions
What is the severity of CVE-2015-4498?
CVE-2015-4498 has a medium severity rating, as it allows remote attackers to bypass user-confirmation requirements.
How do I fix CVE-2015-4498?
To fix CVE-2015-4498, update Mozilla Firefox to version 40.0.3 or later, or Firefox ESR to version 38.2.1 or later.
What versions of Mozilla Firefox are affected by CVE-2015-4498?
CVE-2015-4498 affects Mozilla Firefox versions prior to 40.0.3 and Firefox ESR versions prior to 38.2.1.
What types of attacks can exploit CVE-2015-4498?
CVE-2015-4498 can be exploited by using crafted data URLs to perform actions without the user's confirmation.
Is user confirmation required for add-on installations in Firefox versions affected by CVE-2015-4498?
No, in the affected Firefox versions, attackers can bypass the intended user-confirmation requirement for add-on installations.
- agent/type
- agent/references
- agent/severity
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/event
- agent/first-publish-date
- agent/author
- agent/last-modified-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/mozilla
- canonical/firefox
- version/firefox/40.0.2
- version/firefox/38.0
- version/firefox/38.0.1
- version/firefox/38.0.5
- version/firefox/38.1.0
- version/firefox/38.2.0
- canonical/firefox esr
- version/firefox esr/38.0
- version/firefox esr/38.0.1
- version/firefox esr/38.0.5
- version/firefox esr/38.1.0
- version/firefox esr/38.2.0