![]() This bug only affects Firefox on Windows. 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. The ms-msdt, search, and search-ms protocols deliver content to Microsoft applications, bypassing the browser, when a user accepts a prompt. #CVE-2022-34478: Microsoft protocols can be attacked if a user accepts a prompt Reporter Gijs Impact moderate 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-2022-34472: Unavailable PAC file resulted in OCSP requests being blocked Reporter Laurent Bigonville Impact moderate Description If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest. ![]() #CVE-2022-34471: Compromised server could trick a browser into an addon downgrade Reporter Rob Wu Impact moderate Description This bug only affects Firefox for Android. 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. 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. #CVE-2022-34469: TLS certificate errors on HSTS-protected domains could be bypassed by the user on Firefox for Android Reporter Peter Gerber Impact moderate Description #CVE-2022-34474: Sandboxed iframes could redirect to external schemes Reporter Amazon Malvertising Team Impact moderate DescriptionĮven 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. 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-2022-34481: Potential integer overflow in ReplaceElementsAt Reporter Ronald Crane Impact moderate Description #CVE-2022-34476: ASN.1 parser could have been tricked into accepting malformed ASN.1 Reporter Gustavo Grieco Impact moderate DescriptionĪSN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1. While very similar, this is a separate issue from CVE-2022-34482. #CVE-2022-34483: Drag and drop of malicious image could have led to malicious executable and potential code execution Reporter Eduardo Braun Prado Impact moderate DescriptionĪn 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-2022-34482: Drag and drop of malicious image could have led to malicious executable and potential code execution Reporter Attila Suszter Impact moderate DescriptionĪn 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. #CVE-2022-34468: CSP sandbox header without `allow-scripts` can be bypassed via retargeted javascript: URI Reporter Armin Ebert Impact high DescriptionĪn iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link. ![]() Session history navigations may have led to a use-after-free and potentially exploitable crash. #CVE-2022-34470: Use-after-free in nsSHistory Reporter Armin Ebert Impact high Description 91 Branch: Patch 1 and 2 (Despite saying Parts 2 and 3, there is no Part 1) #CVE-2022-34479: A popup window could be resized in a way to overlay the address bar with web content Reporter Irvan Kurniawan Impact high DescriptionĪ 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. Note: While Bug 1771084 does not represent a specific vulnerability that was fixed, we recommend anyone rebasing patches to include it. Mozilla Foundation Security Advisory 2022-24 Security Vulnerabilities fixed in Firefox 102 Announced JImpact high Products Firefox Fixed in ![]()
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