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CVE-2017-7842

Publication date 15 November 2017

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "<link>" elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox < 57.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 57.0.1+build2-0ubuntu1
17.10 artful
Fixed 57.0+build4-0ubuntu0.17.10.5
17.04 zesty
Fixed 57.0+build4-0ubuntu0.17.04.5
16.04 LTS xenial
Fixed 57.0+build4-0ubuntu0.16.04.5
14.04 LTS trusty
Fixed 57.0+build4-0ubuntu0.14.04.4

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-3477-1
    • Firefox vulnerabilities
    • 16 November 2017

Other references