CVE-20XX-?
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CVE-2018-18505

10.0 CRITICAL 4% exploit odds Fix listed Auth & access Browser & mail

What it is

An earlier fix for an Inter-process Communication (IPC) vulnerability, CVE-2011-3079, added authentication to communication between IPC endpoints and server parents during IPC process creation. This authentication is insufficient for channels created after the IPC process is started, leading to the authentication not being correctly applied to later channels. This could allow for a sandbox escape through IPC channels due to lack of message validation in the listener process. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.

At a glance

Exploitability
Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds
4.4% chance of exploitation in the next 30 days (EPSS).
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
4.4% · EPSS, next 30 days
Weakness
CWE-287 · Improper authentication
Record status
Modified

Affected

Attack profile CVSS 3.0 · 10.0

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record