阿里云漏洞库

Issue summary: The POLY1305 MAC (message authentication code) implementation

contains a bug that might corrupt the internal state of applications running

on PowerPC CPU based platforms if the CPU provides vector instructions.

Impact summary: If an attacker can influence whether the POLY1305 MAC

algorithm is used, the application state might be corrupted with various

application dependent consequences.

The POLY1305 MAC (message authentication code) implementation in OpenSSL for

PowerPC CPUs restores the contents of vector registers in a different order

than they are saved. Thus the contents of some of these vector registers

are corrupted when returning to the caller. The vulnerable code is used only

on newer PowerPC processors supporting the PowerISA 2.07 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 unless the compiler uses the vector registers for storing

pointers, 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.

The POLY1305 MAC algorithm is most frequently used as part of the

CHACHA20-POLY1305 AEAD (authenticated encryption with associated data)

algorithm. The most common usage of this AEAD cipher is with TLS protocol

versions 1.2 and 1.3. If this cipher is enabled on the server a malicious

client can influence whether this AEAD cipher is used. This implies that

TLS server applications using OpenSSL can be potentially impacted. However

we are currently not aware of any concrete application that would be affected

by this issue therefore we consider this a Low severity security issue.

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://github.com/openssl/openssl/commit/050d26383d4e264966fb83428e72d5d48f402d35
https://github.com/openssl/openssl/commit/5b139f95c9a47a55a0c54100f3837b1eee942b04
https://github.com/openssl/openssl/commit/f3fc5808fe9ff74042d639839610d03b8fdcc015
https://security.netapp.com/advisory/ntap-20240216-0009/
https://security.netapp.com/advisory/ntap-20240426-0008/
https://security.netapp.com/advisory/ntap-20240426-0013/
https://www.openssl.org/news/secadv/20240109.txt

CWE-ID	漏洞类型
CWE-787	跨界内存写