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CVE-2019-11743

Date: September 27, 2019

Navigation events were not fully adhering to the W3C's "Navigation-Timing Level 2" draft specification in some instances for the unload event, which restricts access to detailed timing attributes to only be same-origin. This resulted in potential cross-origin information exposure of history through timing side-channel attacks. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Language: Unix

Severity Score

3.7

Related Resources (19)

Url: http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

Url: https://access.redhat.com/security/cve/CVE-2019-11743

Url: https://bugzilla.mozilla.org/show_bug.cgi?id=1560495

Url: https://www.mozilla.org/security/advisories/mfsa2019-30/

Url: https://security.alpinelinux.org/vuln/CVE-2019-11743

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-11743

Url: http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

Url: https://www.mozilla.org/security/advisories/mfsa2019-25/

Url: https://www.mozilla.org/security/advisories/mfsa2019-27/

Url: https://www.mozilla.org/security/advisories/mfsa2019-26/

Url: https://www.mozilla.org/security/advisories/mfsa2019-29/

Url: http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html

Url: https://w3c.github.io/navigation-timing

Url: https://security-tracker.debian.org/tracker/CVE-2019-11743

Url: https://security.gentoo.org/glsa/201911-07

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11743

Url: https://usn.ubuntu.com/4150-1/

Url: http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

Url: https://www.mend.io/vulnerability-database/CVE-2019-11743

Severity Score

3.7

Weakness Type (CWE)

Observable Discrepancy

CWE-203

CVSS v3.1

Base Score:	3.7
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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CVE-2019-11743

Date: September 27, 2019

Language: Unix

Severity Score

Related Resources (19)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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