CVE-2017-5456
What it is
A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 2.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.7% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.7% · EPSS, next 30 days
- Weakness
- CWE-732 · Incorrect permission assignment
- Record status
- Modified
Affected
- Redhat Enterprise Linux 7.0
- Redhat Enterprise Linux Desktop 7.0
- Redhat Enterprise Linux Server 7.0
- Redhat Enterprise Linux Server Aus 7.3
- Redhat Enterprise Linux Server Aus 7.4
- Redhat Enterprise Linux Server Eus 7.3
- Redhat Enterprise Linux Server Eus 7.4
- Redhat Enterprise Linux Server Eus 7.5
Attack profile CVSS 3.0 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-5456.md and follow it. Check whether this project is affected by CVE-2017-5456. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
References
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1106
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- http://www.securityfocus.com/bid/97940
- http://www.securitytracker.com/id/1038320
- https://access.redhat.com/errata/RHSA-2017:1106
- https://bugzilla.mozilla.org/show_bug.cgi?id=1344415
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-12/