漏洞信息
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Vulnerability Title
CryptX versions before 0.088_001 for Perl have a stack buffer overflow in four AEAD decrypt_verify helpers
Vulnerability Description
CryptX versions before 0.088_001 for Perl have a stack buffer overflow in four AEAD decrypt_verify helpers. The gcm_decrypt_verify, ccm_decrypt_verify, chacha20poly1305_decrypt_verify and eax_decrypt_verify XS routines copied the caller-supplied authentication tag into a fixed 144-byte stack buffer (MAXBLOCKSIZE) without checking the supplied length. A longer tag overwrites the stack past the buffer. Version 0.088 added the clamp to gcm_decrypt_verify, and 0.088_001 added it to the other three. Any caller of an affected helper that forwards an attacker-controlled tag longer than the buffer can trigger the overflow.
CVSS Information
N/A
Vulnerability Type
栈缓冲区溢出
Vulnerability Title
CryptX 安全漏洞
Vulnerability Description
CryptX是DCIT, a.s.开源的一款基于多种加密算法的密码学工具包。 CryptX 0.088_001之前版本存在安全漏洞,该漏洞源于四个AEAD解密验证函数中存在栈缓冲区溢出,可能导致攻击者利用长认证标签触发溢出。
CVSS Information
N/A
Vulnerability Type
N/A