CVE-2017-5400

Publication date 7 March 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Status

Package Ubuntu Release Status
firefox 17.04 zesty
Fixed 52.0.1+build2-0ubuntu1
16.10 yakkety
Fixed 52.0+build2-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 52.0+build2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 52.0+build2-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 52.0+build2-0ubuntu0.12.04.1
thunderbird 17.04 zesty
Fixed 1:45.8.0+build1-0ubuntu1
16.10 yakkety
Fixed 1:45.8.0+build1-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 1:45.8.0+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:45.8.0+build1-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 1:45.8.0+build1-0ubuntu0.12.04.1

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3233-1
    • Thunderbird vulnerabilities
    • 24 March 2017

Other references