Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Swift ASN.1 can be caused to crash when parsing certain BER/DER constructions. This crash is caused by a confusion in the ASN.1 library itself which assumes that certain objects can only be provided in either constructed or primitive forms, and will trigger a preconditionFailure if that constraint isn't met. Importantly, these constraints are actually required to be true in DER, but that correctness wasn't enforced on the early node parser side so it was incorrect to rely on it later on in decoding, which is what the library did. These crashes can be triggered when parsing any DER/BER format object. There is no memory-safety issue here: the crash is a graceful one from the Swift runtime. The impact of this is that it can be used as a denial-of-service vector when parsing BER/DER data from unknown sources, e.g. when parsing TLS certificates.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
SwiftASN1 安全漏洞
Vulnerability Description
SwiftASN1是Apple开源的一个 Swift 的 ASN.1 实现。 SwiftASN1 1.3.0之前版本存在安全漏洞，该漏洞源于在解析某些BER/DER构造时对对象形式的假设错误，当这些假设不成立时会触发先决条件失败。
CVSS Information
N/A
Vulnerability Type
N/A