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Critical severity · published Jan 24, 2022
CVE-2022-23852
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES
9.8
CVSS
5.1%
EPSS
No
On KEV
Description
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.1% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CD
Clustered Data Ontap · Netapp
All versions, or not specified · source: NVD
CM
Communications Metasolv Solution · Oracle
6.3.1 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
LI
Libexpat · Libexpat Project
before 2.4.4 · source: NVD
NE
Nessus · Tenable
before 8.15.3; 10.0.0 before 10.1.1 · source: NVD
OW
Oncommand Workflow Automation · Netapp
All versions, or not specified · source: NVD
SR
Sinema Remote Connect Server · Siemens
before 3.1 · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
Affected product
DL
Debian Linux
Debian
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23852
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-23852
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
Issue Tracking
https://github.com/libexpat/libexpat/pull/550
Mailing List
https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
Third Party Advisory
https://security.gentoo.org/glsa/202209-24
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220217-0001/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5073
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