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Ubuntu Security Notice USN-6267-1

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.

Packet Storm
#vulnerability#web#ubuntu#dos#perl#firefox
==========================================================================Ubuntu Security Notice USN-6267-1August 02, 2023firefox vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 20.04 LTSSummary:Several security issues were fixed in Firefox.Software Description:- firefox: Mozilla Open Source web browserDetails:Multiple security issues were discovered in Firefox. If a user weretricked into opening a specially crafted website, an attacker couldpotentially exploit these to cause a denial of service, obtain sensitiveinformation across domains, or execute arbitrary code. (CVE-2023-4047,CVE-2023-4048, CVE-2023-4049, CVE-2023-4051, CVE-2023-4053, CVE-2023-4055,CVE-2023-4056, CVE-2023-4057, CVE-2023-4058)Max Vlasov discovered that Firefox Offscreen Canvas did not properly trackcross-origin tainting. An attacker could potentially exploit this issue toaccess image data from another site in violation of same-origin policy.(CVE-2023-4045)Alexander Guryanov discovered that Firefox did not properly update thevalue of a global variable in WASM JIT analysis in some circumstances. Anattacker could potentially exploit this issue to cause a denial of service.(CVE-2023-4046)Mark Brand discovered that Firefox did not properly validate the size ofan untrusted input stream. An attacker could potentially exploit this issueto cause a denial of service. (CVE-2023-4050)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 20.04 LTS:  firefox                         116.0+build2-0ubuntu0.20.04.2After a standard system update you need to restart Firefox to make all thenecessary changes.References:  https://ubuntu.com/security/notices/USN-6267-1  CVE-2023-4045, CVE-2023-4046, CVE-2023-4047, CVE-2023-4048,  CVE-2023-4049, CVE-2023-4050, CVE-2023-4051, CVE-2023-4053,  CVE-2023-4055, CVE-2023-4056, CVE-2023-4057, CVE-2023-4058Package Information:  https://launchpad.net/ubuntu/+source/firefox/116.0+build2-0ubuntu0.20.04.2

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RHSA-2023:4464: Red Hat Security Advisory: firefox security update

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RHSA-2023:4462: Red Hat Security Advisory: firefox security update

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An update for firefox is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-4045: The Mozilla Foundation Security Advisory describes this flaw as: Offscreen Canvas did not properly track cross-origin tainting, which could have been used to access image data from another s...

CVE-2023-4056: Bug List

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE-2023-4057: Invalid Bug ID

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116 and Firefox ESR < 115.1.

CVE-2023-4058: Bug List

Memory safety bugs present in Firefox 115. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 116.

CVE-2023-4046: Invalid Bug ID

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4053: Invalid Bug ID

A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116.

CVE-2023-4051: Invalid Bug ID

A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4049: Invalid Bug ID

Race conditions in reference counting code were found through code inspection. These could have resulted in potentially exploitable use-after-free vulnerabilities. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

CVE-2023-4048: Invalid Bug ID

An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CVE-2023-4045: Security Vulnerabilities fixed in Firefox ESR 102.14

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.

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