CVE-2026-18536 : 詳細

CVE-2026-18536

2026-08-01
10h35 +00:00
A02-Cryptographic FailuresA08-Soft and Data Integrity Fail
2026-08-03
19h55 +00:00
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CVE の説明

Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP

Data::Entropy versions before 0.010 for Perl read remote entropy sources over plain HTTP. The Data::Entropy::RawSource::RandomOrg and Data::Entropy::RawSource::RandomnumbersInfo remote sources are accessed over plain HTTP. The Data::Entropy::RawSource::RandomOrg integrity check trivially matches any non-empty byte string. Any on-path attacker, such as open WiFi, a compromised ISP, captive portal, or a hostile egress proxy substitutes the response and thereby chooses the bytes returned by rand_bits and rand_int for every application that selected one of these sources via with_entropy_source. The _checkbuf method response is equally attacker-controlled, so the retry/sleep behaviour is steerable too.

CVE の情報

関連する弱点

CWE-ID 弱点名 出典
CWE-319 Cleartext Transmission of Sensitive Information
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
CWE-353 Missing Support for Integrity Check
The product uses a transmission protocol that does not include a mechanism for verifying the integrity of the data during transmission, such as a checksum.

参考資料