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Vulnerability Details : 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 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.
Publish Date : 2019-02-05 Last Update Date : 2019-10-03
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 287

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:0218: firefox security update (Critical) oval:com.redhat.rhsa:def:20190218 unix
RHSA-2019:0219: firefox security update (Critical) oval:com.redhat.rhsa:def:20190219 unix
RHSA-2019:0269: thunderbird security update (Important) oval:com.redhat.rhsa:def:20190269 unix
RHSA-2019:0270: thunderbird security update (Important) oval:com.redhat.rhsa:def:20190270 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2018-18505

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 14.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 16.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 18.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 18.10 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 8.0 * * * Version Details Vulnerabilities
6 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
7 Application Mozilla Firefox * * * * Version Details Vulnerabilities
8 Application Mozilla Firefox Esr * * * * Version Details Vulnerabilities
9 Application Mozilla Thunderbird * * * * Version Details Vulnerabilities
10 OS Redhat Enterprise Linux Desktop 6.0 * * * Version Details Vulnerabilities
11 OS Redhat Enterprise Linux Desktop 7.0 * * * Version Details Vulnerabilities
12 OS Redhat Enterprise Linux Server 6.0 * * * Version Details Vulnerabilities
13 OS Redhat Enterprise Linux Server 7.0 * * * Version Details Vulnerabilities
14 OS Redhat Enterprise Linux Server Aus 7.6 * * * Version Details Vulnerabilities
15 OS Redhat Enterprise Linux Server Eus 7.6 * * * Version Details Vulnerabilities
16 OS Redhat Enterprise Linux Server Tus 7.6 * * * Version Details Vulnerabilities
17 OS Redhat Enterprise Linux Workstation 6.0 * * * Version Details Vulnerabilities
18 OS Redhat Enterprise Linux Workstation 7.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 2
Mozilla Firefox 1
Mozilla Firefox Esr 1
Mozilla Thunderbird 1
Redhat Enterprise Linux Desktop 2
Redhat Enterprise Linux Server 2
Redhat Enterprise Linux Server Aus 1
Redhat Enterprise Linux Server Eus 1
Redhat Enterprise Linux Server Tus 1
Redhat Enterprise Linux Workstation 2

- References For CVE-2018-18505

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html
SUSE openSUSE-SU-2019:1758
http://www.securityfocus.com/bid/106781
BID 106781 Mozilla Firefox Multiple Security Vulnerabilities Release Date:2019-01-29
https://www.debian.org/security/2019/dsa-4392
DEBIAN DSA-4392
https://lists.debian.org/debian-lts-announce/2019/02/msg00024.html
MLIST [debian-lts-announce] 20190216 [SECURITY] [DLA 1678-1] thunderbird security update
https://usn.ubuntu.com/3897-1/
UBUNTU USN-3897-1
https://security.gentoo.org/glsa/201903-04
GENTOO GLSA-201903-04
https://security.gentoo.org/glsa/201904-07
GENTOO GLSA-201904-07
https://access.redhat.com/errata/RHSA-2019:0219
REDHAT RHSA-2019:0219
https://www.mozilla.org/security/advisories/mfsa2019-02/ CONFIRM
https://www.mozilla.org/security/advisories/mfsa2019-01/ CONFIRM
https://bugzilla.mozilla.org/show_bug.cgi?id=1087565 CONFIRM
https://www.debian.org/security/2019/dsa-4376
DEBIAN DSA-4376
https://usn.ubuntu.com/3874-1/
UBUNTU USN-3874-1
https://lists.debian.org/debian-lts-announce/2019/01/msg00025.html
MLIST [debian-lts-announce] 20190130 [SECURITY] [DLA 1648-1] firefox-esr security update
https://access.redhat.com/errata/RHSA-2019:0218
REDHAT RHSA-2019:0218
https://access.redhat.com/errata/RHSA-2019:0269
REDHAT RHSA-2019:0269
https://www.mozilla.org/security/advisories/mfsa2019-03/ CONFIRM
https://access.redhat.com/errata/RHSA-2019:0270
REDHAT RHSA-2019:0270

- Metasploit Modules Related To CVE-2018-18505

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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