Closed dependabot[bot] closed 9 months ago
from https://www.openssl.org/news/cl31.txt
Changes between 3.1.2 and 3.1.3 [19 Sep 2023]
Fix POLY1305 MAC implementation corrupting XMM registers on Windows.
The POLY1305 MAC (message authentication code) implementation in OpenSSL does not save the contents of non-volatile XMM registers on Windows 64 platform when calculating the MAC of data larger than 64 bytes. Before returning to the caller all the XMM registers are set to zero rather than restoring their previous content. The vulnerable code is used only on newer x86_64 processors supporting the AVX512-IFMA instructions.
The consequences of this kind of internal application state corruption can be various - from no consequences, if the calling application does not depend on the contents of non-volatile XMM registers at all, to the worst consequences, where the attacker could get complete control of the application process. However given the contents of the registers are just zeroized so the attacker cannot put arbitrary values inside, the most likely consequence, if any, would be an incorrect result of some application dependent calculations or a crash leading to a denial of service.
([CVE-2023-4807])
cryptography just changed dependency version from 3.1.2 -> 3.1.3
Bumps cryptography from 41.0.3 to 41.0.4.
Changelog
Sourced from cryptography's changelog.
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bump for 41.0.4 (#9629)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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