by Kastro
Paper/Archive/CVE-2019-18224

CVE-2019-18224

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP — idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

EPSS 4%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 89.7.897 × 2017.9No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long domain string.

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 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
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

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

References

refgithub.com/libidn/libidn2/compare/libidn2-2.1.0...libidn2-2.1.1refgithub.com/libidn/libidn2/commit/e4d1558aa2c1c04a05066ee8600f37603890ba8crefbugs.chromium.org/p/oss-fuzz/issues/detail?id=12420advisoryusn.ubuntu.com/4168-1advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDQVQ2XPV5BTZUFINT7AFJSKNNBVURNJadvisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MINU5RKDFE6TKAFY5DRFN3WSFDS4DYVSadvisorylists.opensuse.org/opensuse-security-announce/2019-12/msg00009.htmladvisorylists.opensuse.org/opensuse-security-announce/2019-12/msg00008.htmladvisorydebian.org/security/2020/dsa-4613refseclists.org/bugtraq/2020/Feb/4advisorysecurity.gentoo.org/glsa/202003-63refcert-portal.siemens.com/productcert/html/ssa-398330.html