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CVE-2017-7794

Publication date 10 August 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 24.04 LTS noble
Fixed 55.0.2+build1-0ubuntu4
23.10 mantic
Fixed 55.0.2+build1-0ubuntu4
23.04 lunar
Fixed 55.0.2+build1-0ubuntu4
22.10 kinetic
Fixed 55.0.2+build1-0ubuntu4
22.04 LTS jammy
Fixed 55.0.2+build1-0ubuntu4
21.10 impish
Fixed 55.0.2+build1-0ubuntu4
21.04 hirsute
Fixed 55.0.2+build1-0ubuntu4
20.10 groovy
Fixed 55.0.2+build1-0ubuntu4
20.04 LTS focal
Fixed 55.0.2+build1-0ubuntu4
19.10 eoan
Fixed 55.0.2+build1-0ubuntu4
19.04 disco
Fixed 55.0.2+build1-0ubuntu4
18.10 cosmic
Fixed 55.0.2+build1-0ubuntu4
18.04 LTS bionic
Fixed 55.0.2+build1-0ubuntu4
17.10 artful
Fixed 55.0.2+build1-0ubuntu4
17.04 zesty
Fixed 55.0.1+build2-0ubuntu0.17.04.2
16.04 LTS xenial
Fixed 55.0.1+build2-0ubuntu0.16.04.2
14.04 LTS trusty
Fixed 55.0.1+build2-0ubuntu0.14.04.2
mozjs38 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Ignored
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

tyhicks

mozjs38 contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3391-1
    • Firefox vulnerabilities
    • 15 August 2017

Other references