critical: bind/thunderbird security update
critical
An update for bind/thunderbird is now available for NewStart CGSL MAIN 5.05/CGSL CORE 5.05.
NewStart Security has rated this update as having a security impact of critical. A Common Vunlnerability Scoring System(CVSS)base score, which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.
bind: This package contains a tree of files which can be used as a chroot(2) jail for the named(8) program from the BIND package. Based on the code from Jan "Yenya" Kasprzak
thunderbird: Mozilla Thunderbird is a standalone mail and newsgroup client.
Security Fix(es):
bind: A buffer overflow flaw was found in the SPNEGO implementation used by BIND. This flaw allows a remote attacker to cause the named process to crash or possibly perform remote code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.(CVE-2020-8625)
bind: bugfix
thunderbird: No description is available for this CVE.(CVE-2020-15685)
thunderbird: Use after free in WebRTC in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted SCTP packet.(CVE-2020-16044)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: When a HTTPS page was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing.(CVE-2020-26976)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data.(CVE-2021-23953)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash.(CVE-2021-23954)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash.(CVE-2021-23960)
thunderbird: The Mozilla Foundation Security Advisory describes this flaw as: Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. 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.(CVE-2021-23964)
thunderbird: As specified in the W3C Content Security Policy draft, when creating a violation report, "User agents need to ensure that the source file is the URL requested by the page, pre-redirects. If that’s not possible, user agents need to strip the URL down to an origin to avoid unintentional leakage." Under certain types of redirects, Firefox incorrectly set the source file to be the destination of the redirects. This was fixed to be the redirect destination's origin. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.(CVE-2021-23969)
thunderbird: If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.(CVE-2021-23968)
thunderbird: When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.(CVE-2021-23973)
thunderbird: Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.(CVE-2021-23978)
thunderbird: bugfix
Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
http://security.gd-linux.com/how_to_apply_patch.html
Remember the build tag is 5.05.F12B2.
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