CVE-2020-10531

high

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.

References

https://www.oracle.com/security-alerts/cpujan2021.html

https://www.oracle.com/security-alerts/cpuapr2022.html

https://www.oracle.com//security-alerts/cpujul2021.html

https://www.debian.org/security/2020/dsa-4646

https://usn.ubuntu.com/4305-1/

https://unicode-org.atlassian.net/browse/ICU-20958

https://security.gentoo.org/glsa/202003-15

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/

https://lists.debian.org/debian-lts-announce/2020/03/msg00024.html

https://github.com/unicode-org/icu/pull/971

https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca

https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08

https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html

https://bugs.chromium.org/p/chromium/issues/detail?id=1044570

https://access.redhat.com/errata/RHSA-2020:0738

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00004.html

Details

Source: Mitre, NVD

Published: 2020-03-12

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High