CVE-2017-5426

Publication date 7 March 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

On Linux, if the secure computing mode BPF (seccomp-bpf) filter is running when the Gecko Media Plugin sandbox is started, the sandbox fails to be applied and items that would run within the sandbox are run protected only by the running filter which is typically weak compared to the sandbox. Note: this issue only affects Linux. Other operating systems are not affected. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Status

Show unmaintained releases

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

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	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

Related Ubuntu Security Notices (USN)