Vulnerability CVE-2020-10531
Published: 2020-03-12

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.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
Icu-project -> International components for unicode 
Google -> Chrome 

 References:
https://access.redhat.com/errata/RHSA-2020:0738
https://bugs.chromium.org/p/chromium/issues/detail?id=1044570
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html
https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08
https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca
https://github.com/unicode-org/icu/pull/971
https://lists.debian.org/debian-lts-announce/2020/03/msg00024.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
https://security.gentoo.org/glsa/202003-15
https://unicode-org.atlassian.net/browse/ICU-20958
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