CVE-2024-28757 | BDVDB-2026-226985 Detail
SiemensSIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Description#
libexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
References#
- https://github.com/libexpat/libexpat/pull/842
- https://github.com/libexpat/libexpat/issues/839
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/
- https://security.netapp.com/advisory/ntap-20240322-0001/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/
- http://www.openwall.com/lists/oss-security/2024/03/15/1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VK2O34GH43NTHBZBN7G5Y6YKJKPUCTBE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FPLC6WDSRDUYS7F7JWAOVOHFNOUQ43DD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKJ7V5F6LJCEQJXDBWGT27J7NAP3E3N7/
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-784301.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.