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CVE-2018-18505
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
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..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- Critical
- Base Score
- 10/10
- Exploit Score
- 3.9/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 6/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Changed
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
Yes
|
- | 65.0 | |
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
Yes
|
- | 60.5.0 | |
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* |
Yes
|
- | 60.5.0 | |
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*: |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*: |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:* |
Yes
|
- | - |
References
- https://www.mozilla.org/security/advisories/mfsa2019-03/
- https://www.mozilla.org/security/advisories/mfsa2019-02/
- https://www.mozilla.org/security/advisories/mfsa2019-01/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1087565
- https://www.debian.org/security/2019/dsa-4376
- https://usn.ubuntu.com/3874-1/
- https://lists.debian.org/debian-lts-announce/2019/01/msg00025.html
- https://access.redhat.com/errata/RHSA-2019:0270
- https://access.redhat.com/errata/RHSA-2019:0269
- https://access.redhat.com/errata/RHSA-2019:0219
- https://access.redhat.com/errata/RHSA-2019:0218
- http://www.securityfocus.com/bid/106781
- https://www.debian.org/security/2019/dsa-4392
- https://lists.debian.org/debian-lts-announce/2019/02/msg00024.html
- https://usn.ubuntu.com/3897-1/
- https://security.gentoo.org/glsa/201903-04
- https://security.gentoo.org/glsa/201904-07
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00021.html