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| author | Tomas Mraz <tomas@openssl.org> | 2023-04-17 16:51:20 +0200 |
|---|---|---|
| committer | Tomas Mraz <tomas@openssl.org> | 2023-04-20 17:50:09 +0200 |
| commit | bc2f61ad70971869b242fc1cb445b98bad50074a (patch) | |
| tree | 26e1d24ff3c745229be2e265f6a628bbfcb7624b /CHANGES.md | |
| parent | 54be1fe86b3ff9eca91da6635260032b7ed922b2 (diff) | |
aesv8-armx.pl: Avoid buffer overrread in AES-XTS decryption
Original author: Nevine Ebeid (Amazon)
Fixes: CVE-2023-1255
The buffer overread happens on decrypts of 4 mod 5 sizes.
Unless the memory just after the buffer is unmapped this is harmless.
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
(Merged from https://github.com/openssl/openssl/pull/20759)
(cherry picked from commit 72dfe46550ee1f1bbfacd49f071419365bc23304)
Diffstat (limited to 'CHANGES.md')
| -rw-r--r-- | CHANGES.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/CHANGES.md b/CHANGES.md index a19b87bf70..7784b4966f 100644 --- a/CHANGES.md +++ b/CHANGES.md @@ -24,6 +24,15 @@ OpenSSL 3.1 ### Changes between 3.1.0 and 3.1.1 [xx XXX xxxx] + * Fixed buffer overread in AES-XTS decryption on ARM 64 bit platforms which + happens if the buffer size is 4 mod 5. This can trigger a crash of an + application using AES-XTS decryption if the memory just after the buffer + being decrypted is not mapped. + Thanks to Anton Romanov (Amazon) for discovering the issue. + ([CVE-2023-1255]) + + *Nevine Ebeid* + * Reworked the Fix for the Timing Oracle in RSA Decryption ([CVE-2022-4304]). The previous fix for this timing side channel turned out to cause a severe 2-3x performance regression in the typical use case @@ -19724,6 +19733,7 @@ ndif <!-- Links --> +[CVE-2023-1255]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-1255 [CVE-2023-0466]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0466 [CVE-2023-0465]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0465 [CVE-2023-0464]: https://www.openssl.org/news/vulnerabilities.html#CVE-2023-0464 |