CVE-2024-28757

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Summary

CVECVE-2024-28757
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-03-10 05:15:06 UTC
Updated2026-10-15 01:17:42 UTC
Descriptionlibexpat through 2.6.1 allows an XML Entity Expansion attack when there is isolated use of external parsers (created via XML_ExternalEntityParserCreate).

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-776 | n/a | CWE-776 CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 38 All All All
Operating System Fedoraproject Fedora 39 All All All
Operating System Fedoraproject Fedora 40 All All All
Application Libexpat Project Libexpat All All All All
Application Netapp Active Iq Unified Manager - All All All
Hardware Netapp H300s - All All All
Operating System Netapp H300s Firmware - All All All
Hardware Netapp H410c - All All All
Operating System Netapp H410c Firmware - All All All
Hardware Netapp H410s - All All All
Operating System Netapp H410s Firmware - All All All
Hardware Netapp H500s - All All All
Operating System Netapp H500s Firmware - All All All
Hardware Netapp H610c - All All All
Operating System Netapp H610c Firmware - All All All
Hardware Netapp H610s - All All All
Operating System Netapp H610s Firmware - All All All
Hardware Netapp H700s - All All All
Operating System Netapp H700s Firmware - All All All
Application Netapp Oncommand Workflow Automation - All All All
Application Netapp Ontap 9 All All All
Application Netapp Ontap Tools 10 All All All
Application Netapp Windows Host Utilities - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SINEC NMS affected V3.0 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] Fedora 38 Update: mingw-expat-2.6.1-1.fc38 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 39 Update: mingw-expat-2.6.1-1.fc39 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
[CVE-2024-28757] Prevent billion laughs attacks in isolated external parser (part of #839) by hartwork · Pull Request #842 · libexpat/libexpat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch
www.openwall.com/lists/oss-security/2024/03/15/1 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Release Notes
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/mess... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List
security.netapp.com/advisory/ntap-20240322-0001 af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
OSS-Fuzz/ClusterFuzz finding 66812 · Issue #839 · libexpat/libexpat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Issue Tracking, Patch
cert-portal.siemens.com/productcert/html/ssa-784301.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 161443 Oracle Enterprise Linux Security Update for expat (ELSA-2024-1530)
  • 200195 Ubuntu Security Notification for Expat Vulnerabilities (USN-6694-1)
  • 243138 Red Hat Update for expat (RHSA-2024:1530)
  • 285367 Fedora Security Update for mingw (FEDORA-2024-40b98c9ced)
  • 285368 Fedora Security Update for mingw (FEDORA-2024-4e6e660fae)
  • 357368 Amazon Linux Security Advisory for expat : ALAS2023-2024-576
  • 510762 Alpine Linux Security Update for expat
  • 6140446 AWS Bottlerocket Security Update for libexpat (GHSA-rjp2-2459-62cp)
  • 756057 SUSE Enterprise Linux Security Update for expat (SUSE-SU-2024:1129-1)
  • 908046 Common Base Linux Mariner (CBL-Mariner) Security Update for expat (35841)
  • 941632 AlmaLinux Security Update for expat (ALSA-2024:1530)

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