CVE-2026-18568

설명

XML::Sig versions from 0.29 before 0.72 for Perl allow signature verification bypass because verify returns true when every signature was skipped before any cryptographic check. verify in lib/XML/Sig.pm counts the `//dsig:Signature` elements into `$numsigs` and iterates over them, but two paths reach `next` before any digest or key check runs: a `SignedInfo/Reference/@URI` that resolves to no element while `$numsigs` is greater than 1, and, when `id_attr` is set, a reference that does not match the requested ID. The loop records nothing about what it checked, so when every signature takes o...

영향 제품·버전

제품 TIMLEGGE XML::Sig

영향 버전 TIMLEGGE XML::Sig >= 0.29 < 0.72

수정 버전 TIMLEGGE XML::Sig · 수정 버전은 공급사 공식자료 확인 필요

기술 정보

CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CWE CWE-347