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CVE-2017-5426

Date: June 11, 2018

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.

Language: Unix

Severity Score

Related Resources (8)

https://www.mozilla.org/security/advisories/mfsa2017-05/
http://www.securitytracker.com/id/1037966
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-5426
https://bugzilla.mozilla.org/show_bug.cgi?id=1257361
http://www.securityfocus.com/bid/96694
https://nvd.nist.gov/vuln/detail/CVE-2017-5426
https://www.mozilla.org/security/advisories/mfsa2017-09/
https://www.mend.io/vulnerability-database/CVE-2017-5426

Severity Score

Weakness Type (CWE)

Incorrect Permission Assignment for Critical Resource

CWE-732

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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