CVE-2020-36323
Published: 14 April 2021
In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.
Priority
Status
Package | Release | Status |
---|---|---|
rustc Launchpad, Ubuntu, Debian |
kinetic |
Ignored
(end of life, was needed)
|
focal |
Released
(1.53.0+dfsg1+llvm-4ubuntu1~20.04.1)
|
|
jammy |
Released
(1.53.0+dfsg1+llvm-4ubuntu1)
|
|
lunar |
Not vulnerable
(1.61.0+dfsg1-1~exp1ubuntu1)
|
|
impish |
Ignored
(end of life)
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
|
bionic |
Not vulnerable
(1.53.0+dfsg1+llvm-4ubuntu1~18.04.1)
|
|
mantic |
Not vulnerable
(1.67.1+dfsg0ubuntu1-0ubuntu2)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.2 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |