CVE-2017-5426

MEDIUM

Description

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.

References

http://www.securityfocus.com/bid/96694

http://www.securitytracker.com/id/1037966

https://bugzilla.mozilla.org/show_bug.cgi?id=1257361

https://www.mozilla.org/security/advisories/mfsa2017-05/

https://www.mozilla.org/security/advisories/mfsa2017-09/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2019-10-03

Type: CWE-732

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM