CVE-2017-7831
Publication date 15 November 2017
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
A vulnerability where the security wrapper does not deny access to some exposed properties using the deprecated “_exposedProps_” mechanism on proxy objects. These properties should be explicitly unavailable to proxy objects. This vulnerability affects Firefox < 57.
Status
Package | Ubuntu Release | Status |
---|---|---|
firefox | 24.10 oracular |
Fixed 57.0.1+build2-0ubuntu1
|
24.04 LTS noble |
Fixed 57.0.1+build2-0ubuntu1
|
|
22.04 LTS jammy |
Fixed 57.0.1+build2-0ubuntu1
|
|
20.04 LTS focal |
Fixed 57.0.1+build2-0ubuntu1
|
|
18.04 LTS bionic |
Fixed 57.0.1+build2-0ubuntu1
|
|
16.04 LTS xenial |
Fixed 57.0+build4-0ubuntu0.16.04.5
|
|
14.04 LTS trusty |
Fixed 57.0+build4-0ubuntu0.14.04.4
|
|
mozjs38 | 24.10 oracular | Not in release |
24.04 LTS noble | Not in release | |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
mozjs52 | 24.10 oracular | Not in release |
24.04 LTS noble | Not in release | |
22.04 LTS jammy | Not in release | |
20.04 LTS focal |
Vulnerable, fix deferred
|
|
18.04 LTS bionic |
Vulnerable, fix deferred
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Notes
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
chrisccoulson
This is not fixed in mozjs52, but it’s unclear whether it is unaffected or just ignored as https://bugzilla.mozilla.org/show_bug.cgi?id=1392026 is still private and I can’t find a changeset referencing it)
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