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CVE-2023-4045

Status Candidate

Overview

Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Related Files

Red Hat Security Advisory 2023-4463-01
Posted Aug 4, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4463-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 102.14.0 ESR. Issues addressed include buffer overflow and bypass vulnerabilities.

tags | advisory, web, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2023-4045, CVE-2023-4046, CVE-2023-4047, CVE-2023-4048, CVE-2023-4049, CVE-2023-4050, CVE-2023-4055, CVE-2023-4056, CVE-2023-4057
SHA-256 | 4ebfd9470307ee6efdcf1331c5c8cf44406bb65810dbd074149d73e2131a046d
Red Hat Security Advisory 2023-4462-01
Posted Aug 4, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-4462-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 102.14.0 ESR. Issues addressed include buffer overflow and bypass vulnerabilities.

tags | advisory, web, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2023-4045, CVE-2023-4046, CVE-2023-4047, CVE-2023-4048, CVE-2023-4049, CVE-2023-4050, CVE-2023-4055, CVE-2023-4056, CVE-2023-4057
SHA-256 | ac334472e16a49a84869d79eb012501d1c1db4b461779a5531bafd208158eebc
Ubuntu Security Notice USN-6267-1
Posted Aug 2, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6267-1 - Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information across domains, or execute arbitrary code. Max Vlasov discovered that Firefox Offscreen Canvas did not properly track cross-origin tainting. An attacker could potentially exploit this issue to access image data from another site in violation of same-origin policy.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-4045, CVE-2023-4046, CVE-2023-4048, CVE-2023-4049, CVE-2023-4050, CVE-2023-4055, CVE-2023-4056, CVE-2023-4057
SHA-256 | 51b1cc97de6f469ebee1cb6c9eb78f96f74f91edddd7253d5beec2a0426b7fd1
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