Critical severity · published Nov 4, 2018
CVE-2018-18928
International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp
9.8
CVSS
2.9%
EPSS
No
On KEV
Description
International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.
CVSS vector
CVSS:3.0/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)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IC
International Components For Unicode · Icu-project
63.1 · 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
IC
International Components For Unicode
Icu-project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18928
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18928
Third Party Advisory
https://bugs.chromium.org/p/chromium/issues/detail?id=900059
Patch
https://github.com/unicode-org/icu/commit/53d8c8f3d181d87a6aa925b449b51c4a2c922a51
Vendor Advisory
https://unicode-org.atlassian.net/browse/ICU-20246
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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