CVE Details

Release Date:2021-01-07


When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

See more information about CVE-2020-35111 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 4.3 Base Metrics: AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Access Vector: Network Attack Complexity: Low
Privileges Required: None User Interaction: Required
Scope: Unchanged Confidentiality Impact: Low
Integrity Impact: None Availability Impact: None

Errata information

PlatformErrataRelease Date
Oracle Linux version 7 (firefox)ELSA-2020-5561-12020-12-17
Oracle Linux version 7 (thunderbird)ELSA-2020-5618-12020-12-18
Oracle Linux version 8 (firefox)ELSA-2020-5562-12020-12-17
Oracle Linux version 8 (thunderbird)ELSA-2020-5624-12020-12-18

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team