Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2017-7803

Publication date 10 August 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 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 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic
Not affected
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
thunderbird 19.04 disco
Fixed 1:52.4.0+build1-0ubuntu2
18.10 cosmic
Fixed 1:52.4.0+build1-0ubuntu2
18.04 LTS bionic
Fixed 1:52.4.0+build1-0ubuntu2
17.10 artful
Fixed 1:52.4.0+build1-0ubuntu2
17.04 zesty
Fixed 1:52.3.0+build1-0ubuntu0.17.04.1
16.04 LTS xenial
Fixed 1:52.3.0+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:52.3.0+build1-0ubuntu0.14.04.1

Notes

tyhicks

mozjs38 contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-3391-1
    • Firefox vulnerabilities
    • 15 August 2017
    • USN-3416-1
    • Thunderbird vulnerabilities
    • 14 September 2017

Other references