漏洞信息
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Vulnerability Title
Crypt::Argon2 versions from 0.017 before 0.031 for Perl perform a heap out-of-bounds read in argon2_verify on empty encoded input
Vulnerability Description
Crypt::Argon2 versions from 0.017 before 0.031 for Perl perform a heap out-of-bounds read in argon2_verify on empty encoded input.
The auto-detect form of argon2_verify passes encoded_len - 1 as the length argument to memchr without checking that encoded_len is non-zero. When the encoded string is empty, the size_t subtraction underflows to SIZE_MAX and memchr scans adjacent heap memory looking for a '$' separator byte.
A caller that invokes argon2_verify against a stored hash that may legitimately be empty (for example a placeholder row or a NULL column materialised as an empty string) reads out-of-bounds heap memory, which can crash the process or leak the position of an adjacent '$' byte into subsequent parsing.
CVSS Information
N/A
Vulnerability Type
缓冲区上溢读取
Vulnerability Title
crypt-argon2 安全漏洞
Vulnerability Description
crypt-argon2是Leon Timmermans个人开发者的一个密码哈希与验证工具。 crypt-argon2 0.017版本至0.031之前版本存在安全漏洞,该漏洞源于argon2_verify在空编码输入上执行堆越界读取,可能导致进程崩溃或泄露相邻堆内存中的分隔符位置。
CVSS Information
N/A
Vulnerability Type
N/A