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critical10.0

CVE-2018-18505

An earlier fix for an Inter-process Communication (IPC) vulnerability, CVE-2011-3079, added authentication to communication between IPC endpoints and server pa…

Impact

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.

Affected products

VendorProductAffected versions
MozillaFirefox
before 60.5.0
before 65.0
MozillaThunderbird
before 60.5.0
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04, 18.10
DebianDebian Linux
Versions 8.0, 9.0
RedhatEnterprise Linux Desktop
Versions 6.0, 7.0
RedhatEnterprise Linux Server
Versions 6.0, 7.0
RedhatEnterprise Linux Server Aus
Version 7.6
RedhatEnterprise Linux Server Eus
Version 7.6
RedhatEnterprise Linux Server Tus
Version 7.6
RedhatEnterprise Linux Workstation
Versions 6.0, 7.0

Weakness classification

CWE-287

References