CVE-2015-4505
First published: Thu Sep 24 2015(Updated: )
updater.exe in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 on Windows allows local users to write to arbitrary files by conducting a junction attack and waiting for an update operation by the Mozilla Maintenance Service.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| Any of | ||
| Firefox | =38.0 | |
| Firefox | =38.0.1 | |
| Firefox | =38.0.5 | |
| Firefox | =38.1.0 | |
| Firefox | =38.1.1 | |
| Firefox | =38.2.0 | |
| Firefox | =38.2.1 | |
| Microsoft Windows Operating System | ||
| All of | ||
| Firefox | <=40.0.3 | |
| Microsoft Windows Operating System | ||
| Firefox ESR | =38.0 | |
| Firefox ESR | =38.0.1 | |
| Firefox ESR | =38.0.5 | |
| Firefox ESR | =38.1.0 | |
| Firefox ESR | =38.1.1 | |
| Firefox ESR | =38.2.0 | |
| Firefox ESR | =38.2.1 | |
| Microsoft Windows Operating System | ||
| Firefox | <=40.0.3 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-100.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1033640
- https://bugzilla.mozilla.org/show_bug.cgi?id=1177861
Frequently Asked Questions
What is the severity of CVE-2015-4505?
CVE-2015-4505 has a moderate severity rating as it allows local users to exploit junction attacks to write to arbitrary files.
How do I fix CVE-2015-4505?
To fix CVE-2015-4505, upgrade to Mozilla Firefox version 41.0 or later.
Which versions of Firefox are affected by CVE-2015-4505?
CVE-2015-4505 affects all Mozilla Firefox versions prior to 41.0 and Firefox ESR versions before 38.3.
Can CVE-2015-4505 be exploited remotely?
No, CVE-2015-4505 requires local user access to exploit the vulnerability.
What type of attack does CVE-2015-4505 involve?
CVE-2015-4505 involves a junction attack that allows local users to manipulate file writes during update operations.
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- source/NVD
- agent/software-canonical-lookup
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- agent/softwarecombine
- agent/tags
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- vendor/mozilla
- canonical/firefox
- version/firefox/38.0
- version/firefox/38.0.1
- version/firefox/38.0.5
- version/firefox/38.1.0
- version/firefox/38.1.1
- version/firefox/38.2.0
- version/firefox/38.2.1
- vendor/microsoft
- canonical/microsoft windows operating system
- version/firefox/40.0.3
- 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/38.1.1
- version/firefox esr/38.2.0
- version/firefox esr/38.2.1