CVE-2020-10531
Published: 12 March 2020
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.
Notes
Author | Note |
---|---|
leosilva | According with debian versions bellow 52.1.8 are not affected because code is not present, though, it needs further confirmation. keep precise/trusty as needs-triage. |
mdeslaur | in xenial and older releases, vulnerable code looks to be in UnicodeString::doReplace, need to investigate |
leosilva | doAppend was write based on doReplace, that originally shipped the vul code more info, check commit 3d77fc18b8b. Marking precise/trusty as needed. |
Priority
Status
Package | Release | Status |
---|---|---|
chromium-browser Launchpad, Ubuntu, Debian |
bionic |
Released
(80.0.3987.149-0ubuntu0.18.04.1)
|
eoan |
Not vulnerable
(code not present)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(80.0.3987.122)
|
|
xenial |
Released
(80.0.3987.149-0ubuntu0.16.04.1)
|
|
Patches: upstream: https://chromium.googlesource.com/chromium/deps/icu/+/9f4020916eb1f28f3666f018fdcbe6c9a37f0e08 |
||
icu Launchpad, Ubuntu, Debian |
bionic |
Released
(60.2-3ubuntu3.1)
|
eoan |
Released
(63.2-2ubuntu0.1)
|
|
trusty |
Released
(52.1-3ubuntu0.8+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Needed
|
|
xenial |
Released
(55.1-7ubuntu0.5)
|
|
Patches: upstream: https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |