漏洞信息
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Vulnerability Title
CryptoLib has an out-of-bounds read and crash vulnerability when decoding an empty Base64url string
Vulnerability Description
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, in base64urlDecode, padding-stripping dereferences input[inputLen - 1] before checking that inputLen > 0 or that input != NULL. For inputLen == 0, this becomes an OOB read at input[-1], potentially crashing the process. If input == NULL and inputLen == 0, it dereferences NULL - 1. This issue has been patched in version 1.4.3.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Vulnerability Type
跨界内存读
Vulnerability Title
CryptoLib 缓冲区错误漏洞
Vulnerability Description
CryptoLib是NASA开源的一个应用程序。用于使用 CCSDS 空间数据链路安全协议提供纯软件解决方案。 CryptoLib 1.4.3之前版本存在缓冲区错误漏洞,该漏洞源于base64urlDecode函数在检查前解引用输入,可能导致越界读取或进程崩溃。
CVSS Information
N/A
Vulnerability Type
N/A