모질라 에서 제공하는 브라우저 파이어폭스에 대한 2022년6월28일에 Firefox 102 및 Firefox 102 ESR가 진행이 되었습니다. 보안, PIP(picture-in-picture) 모드를 개선하고 Extended Support Release 채널의 새로운 기반입니다.
Firefox 베타 및 Firefox 개발자 에디션은 버전 103으로 업데이트가 진행이 되고 Firefox Nightly는 버전 104로 업데이트 됩니다. Android용 Firefox는 안정적인 채널 버전을 따르므로 버전 102 으로 업데이트 됩니다.
오디오 디코딩은 더 엄격한 샌드박싱을 통해 자체 프로세스로 이동됨
Firefox는 엄격한 추적 방지 모드에서 추적에 사용되는 URL 쿼리 매개변수를 완화
Firefox 102.0의 새로운 기능 및 개선 사항
파이어폭스는 사용자를 식별하고 추적하는 데 사용될 수 있는 URL에서 매개변수를 자동으로 제거합니다. 제거는 대상 주소 로드에 영향을 주지 않아야 합니다.
Firefox 102부터 차단 목록은 최상위 URL에서 알려진 추적 매개변수를 제거하는 데 사용 가능합니다.
해당 기능은 브라우저의 개인 브라우징 모드와 Firefox의 향상된 추적 방지 기능이 엄격으로 설정된 경우 활성화되며
주소 표시 줄에 about:preferences#privacy를 로드합니다.
향상된 추적 보호 기능을 표준에서 엄격으로 변경하시면 됩니다. 새 다운로드가 시작될 때마다 다운로드 패널을 표시합니다. 일부 사용자는 해당 부분을 싫어할 수 있으며 이러한 사용자는 이제 다운로드 패널의 자동 열기를 비활성화 가능합니다.
기타 변경 사항
오디오 디코딩은 이제 자체 프로세스에서 발생하므로 더 엄격한 샌드박싱을 통해 보안이 향상
Picture-in-Picture 모드는 HBO Max, Funimation, Dailymotion, Tubi, Disney+ Hotstar 및 SonyLIV에서 자막과 캡션을 지원
Windows에서 화면 판독기를 사용하는 동안 Enter 키를 눌러도 더는 잘못된 요소 및/또는 다른 창이 활성화되지 않음
보안 업데이트 내용은 다음과 같습니다.
Note: While Bug 1771084 does not represent a specific vulnerability that was fixed, we recommend anyone rebasing patches to include it. 102 branch: Patch 1 and 2. 91 Branch: Patch 1 and 2 (Despite saying Parts 2 and 3, there is no Part 1)
VE-2022-34479: A popup window could be resized in a way to overlay the address bar with web content
Description
A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks.
This bug only affects Firefox for Linux. Other operating systems are unaffected.
CVE-2022-34470: Use-after-free in nsSHistory
Description
Navigations between XML documents may have led to a use-after-free and potentially exploitable crash.
CVE-2022-34468: CSP sandbox header without `allow-scripts` can be bypassed via retargeted javascript: URI
Description
An iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link.
CVE-2022-34482: Drag and drop of malicious image could have led to malicious executable and potential code execution
Description:An attacker who could have convinced a user to drag and drop an image to a filesystem could have manipulated the resulting filename to contain an executable extension, and by extension potentially tricked the user into executing malicious code. While very similar, this is a separate issue from CVE-2022-34483.
CVE-2022-34483: Drag and drop of malicious image could have led to malicious executable and potential code execution
Description
An attacker who could have convinced a user to drag and drop an image to a filesystem could have manipulated the resulting filename to contain an executable extension, and by extension potentially tricked the user into executing malicious code. While very similar, this is a separate issue from CVE-2022-34482.
CVE-2022-34476: ASN.1 parser could have been tricked into accepting malformed ASN.1
Description
ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1.
CVE-2022-34481: Potential integer overflow in ReplaceElementsAt
Description
In the nsTArray_Impl::ReplaceElementsAt() function, an integer overflow could have occurred when the number of elements to replace was too large for the container.
CVE-2022-34474: Sandboxed iframes could redirect to external schemes
Description
Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate.
CVE-2022-34469: TLS certificate errors on HSTS-protected domains could be bypassed by the user on Firefox for Android
Description
When a TLS Certificate error occurs on a domain protected by the HSTS header, the browser should not allow the user to bypass the certificate error. On Firefox for Android, the user was presented with the option to bypass the error; this could only have been done by the user explicitly.
This bug only affects Firefox for Android. Other operating systems are unaffected.
CVE-2022-34471: Compromised server could trick a browser into an addon downgrade
Description
When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version.
CVE-2022-34472: Unavailable PAC file resulted in OCSP requests being blocked
Description
If there was a PAC URL set and the server that hosts the PAC was not reachable, OCSP requests would have been blocked, resulting in incorrect error pages being shown.
CVE-2022-34478: Microsoft protocols can be attacked if a user accepts a prompt
Description
The ms-msdt, search, and search-ms protocols deliver content to Microsoft applications, bypassing the browser, when a user accepts a prompt. These applications have had known vulnerabilities, exploited in the wild (although we know of none exploited through Firefox), so in this release Firefox has blocked these protocols from prompting the user to open them.
This bug only affects Firefox on Windows. Other operating systems are unaffected.
CVE-2022-2200: Undesired attributes could be set as part of prototype pollution
Description
If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution.
CVE-2022-34480: Free of uninitialized pointer in lg_init
Description
Within the lg_init() function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated.
CVE-2022-34477: MediaError message property leaked information on cross-origin same-site pages
Description:The MediaError message property should be consistent to avoid leaking information about cross-origin resources; however for a same-site cross-origin resource, the message could have leaked information enabling XS-Leaks attacks.
CVE-2022-34475: HTML Sanitizer could have been bypassed via same-origin script via use tags
Description:SVG <use> tags that referenced a same-origin document could have resulted in script execution if attacker input was sanitized via the HTML Sanitizer API. This would have required the attacker to reference a same-origin JavaScript file containing the script to be executed.
CVE-2022-34473: HTML Sanitizer could have been bypassed via use tags
Description:The HTML Sanitizer should have sanitized the href attribute of SVG <use> tags; however it incorrectly did not sanitize xlink:href attributes.
CVE-2022-34484: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11
Description:The Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101 and Firefox ESR 91.10. Some of these bugs showed evidence of JavaScript prototype or memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
CVE-2022-34485: Memory safety bugs fixed in Firefox 102
Description:Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101. 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.
파이어폭스를 사용을 하시는 분들은 반드시 보안 업데이트를 하고 사용을 하시길 바랍니다.
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