High severity · published Mar 12, 2020
CVE-2020-10531
An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1
8.8
CVSS
2.7%
EPSS
No
On KEV
Description
An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Chrome · Google
before 80.0.3987.122 · source: NVD
BE
Banking Extensibility Workbench · Oracle
14.3.0; 14.4.0 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0 · source: NVD
FE
Fedora · Fedoraproject
30; 31; 33 · source: NVD
IC
International Components For Unicode · Icu-project
through 66.1 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
NO
Node.js · Nodejs
10.0.0 through 10.12.0; 10.13.0 before 10.21.0 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 18.04; 19.10 · 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10531
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10531
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0738
Permissions Required
https://bugs.chromium.org/p/chromium/issues/detail?id=1044570
Third Party Advisory
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html
Patch
https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08
Patch
https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca
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