CVE-2023-52425

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Summary

CVECVE-2023-52425
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-02-04 20:15:46 UTC
Updated2026-10-15 01:17:13 UTC
Descriptionlibexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.

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-400 | n/a | CWE-400 CWE-400 Uncontrolled Resource Consumption

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
Application Libexpat Project Libexpat All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Libexpat Project Libexpat affected 2.5.0 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 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
lists.debian.org/debian-lts-announce/2024/04/msg00006.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
Speed up parsing of big tokens by Snild-Sony · Pull Request #789 · libexpat/libexpat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Vendor Advisory
www.openwall.com/lists/oss-security/2024/03/20/5 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
lists.fedoraproject.org/archives/list/[email protected]/messag... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
lists.debian.org/debian-lts-announce/2024/09/msg00036.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/mess... af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
cert-portal.siemens.com/productcert/html/ssa-784301.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
security.netapp.com/advisory/ntap-20240614-0003 af854a3a-2127-422b-91ae-364da2661108 security.netapp.com
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/mess... 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)
  • 161464 Oracle Enterprise Linux Security Update for expat (ELSA-2024-1615)
  • 200195 Ubuntu Security Notification for Expat Vulnerabilities (USN-6694-1)
  • 243138 Red Hat Update for expat (RHSA-2024:1530)
  • 243165 Red Hat Update for expat (RHSA-2024:1615)
  • 284934 Fedora Security Update for mingw (FEDORA-2024-b8656bc059)
  • 284973 Fedora Security Update for mingw (FEDORA-2024-fbe1f0c1aa)
  • 330169 IBM AIX Multiple Vulnerabilities (python_advisory8)
  • 379506 IBM Hypertext Transfer Protocol (HTTP) Denial of Service (DOS) Vulnerability (7129933)
  • 510720 Alpine Linux Security Update for expat
  • 6000562 Debian Security Update for expat (DLA 3783-1)
  • 6140423 AWS Bottlerocket Security Update for libexpat (GHSA-j24w-337f-gvh8)
  • 756025 SUSE Enterprise Linux Security Update for python39 (SUSE-SU-2024:1009-1)
  • 756057 SUSE Enterprise Linux Security Update for expat (SUSE-SU-2024:1129-1)
  • 756058 SUSE Enterprise Linux Security Update for python310 (SUSE-SU-2024:1162-1)
  • 908047 Common Base Linux Mariner (CBL-Mariner) Security Update for expat (34207)
  • 941632 AlmaLinux Security Update for expat (ALSA-2024:1530)
  • 941638 AlmaLinux Security Update for expat (ALSA-2024:1615)
  • 961152 Rocky Linux Security Update for expat (RLSA-2024:1615)

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