Paper/Archive/CVE-2022-25236

CVE-2022-25236

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP — xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

EPSS 35%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP, NVD agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 98.4.984 × 2019.7 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

SIMATIC S7-1500 CPU 1518-4 PN/DP MFPV3.1.0 – < V3.1.5V3.1.5siemens-SADP

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPV3.1.0 – < V3.1.5V3.1.5siemens-SADP

SIPLUS S7-1500 CPU 1518-4 PN/DP MFPV3.1.0 – < V3.1.5V3.1.5siemens-SADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/libexpat/libexpat/pull/561 refopenwall.com/lists/oss-security/2022/02/19/1 advisorydebian.org/security/2022/dsa-5085 advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM reflists.debian.org/debian-lts-announce/2022/03/msg00007.html reforacle.com/security-alerts/cpuapr2022.html refsecurity.netapp.com/advisory/ntap-20220303-0008 refpacketstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html refcert-portal.siemens.com/productcert/pdf/ssa-484086.pdf advisorysecurity.gentoo.org/glsa/202209-24 refcert-portal.siemens.com/productcert/html/ssa-484086.html refcert-portal.siemens.com/productcert/html/ssa-398330.html