CVE-2026-9487

설명

XML::Sig versions before 0.71 for Perl allow signature wrapping via duplicate ID. _get_signed_xml() in lib/XML/Sig.pm, called from verify(), resolves the SignedInfo Reference/@URI to a node with the XPath expression "//*[@ID='$id']" and returns the first node of the resulting node set. A document in which two elements share that ID value is accepted: the digest and signature are checked against whichever element comes first in document order, and the duplicate is not detected. Such a document verifies successfully while an application that resolves the same ID independently can read the sec...

영향 제품·버전

제품 TIMLEGGE XML::Sig

영향 버전 TIMLEGGE XML::Sig < 0.71

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:H/I:H/A:N

CWE CWE-347