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About the security content of iOS 15.4.1 and iPadOS 15.4.1

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Re: About the security content of iOS 15.4.1 and iPadOS 15.4.1

#3
post #2

More info on the exploit that was patched found here: https://cwe.mitre.org/data/definitions/787.html . An application may be able to execute arbitrary code with kernel privileges.

Did you mean to link to a CWE page? This isn't about a specific bug.

Re: About the security content of iOS 15.4.1 and iPadOS 15.4.1

#5
post #3
post #2

More info on the exploit that was patched found here: https://cwe.mitre.org/data/definitions/787.html . An application may be able to execute arbitrary code with kernel privileges.

Did you mean to link to a CWE page? This isn't about a specific bug.

Isn’t it? The patch is specifically to address:

> An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2022-22675)

Which sounds exactly like a CWE-787 candidate.

Re: About the security content of iOS 15.4.1 and iPadOS 15.4.1

#8
post #5
post #3

Earlier quoted context omitted.

Did you mean to link to a CWE page? This isn't about a specific bug.

Isn’t it? The patch is specifically to address: > An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2022-22675) Which sounds exactly like a CWE-787 candidate.

gzer0's comment is a bit confusing. It could either be interpreted as saying "here's more info about this exact vulnerability" or "here's more info about this category of vulnerabilities". EE84M3i interpreted the comment as the first, but then saw the link is actually the second, and thought maybe EE84M3i made a mistake with the comment.

Re: About the security content of iOS 15.4.1 and iPadOS 15.4.1

#9
post #8
post #5

Earlier quoted context omitted.

Isn’t it? The patch is specifically to address: > An out-of-bounds write issue was addressed with improved bounds checking. (CVE-2022-22675) Which sounds exactly like a CWE-787 candidate.

gzer0's comment is a bit confusing. It could either be interpreted as saying "here's more info about this exact vulnerability" or "here's more info about this category of vulnerabilities". EE84M3i interpreted the comment as the first, but then saw the link is actually the second, and thought maybe EE84M3i made a mistake with the comment.

I read it as the second as well just due to the link, but

> More info on the exploit that was patched found here

might have inferred the category of vulnerabilities more.

Re: About the security content of iOS 15.4.1 and iPadOS 15.4.1

#10
This update also happens to include a bug fix for an actual instruction selection bug in the compiler that miscompiled the Swift runtime libraries for certain devices. So if the security benefits didn’t convince you, consider making some mobile release engineers happy :)
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