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 |
bionic |
Not vulnerable
(1.53.0+dfsg1+llvm-4ubuntu1~18.04.1)
|
| focal |
Released
(1.53.0+dfsg1+llvm-4ubuntu1~20.04.1)
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Released
(1.53.0+dfsg1+llvm-4ubuntu1)
|
|
| kinetic |
Ignored
(end of life, was needed)
|
|
| lunar |
Not vulnerable
(1.61.0+dfsg1-1~exp1ubuntu1)
|
|
| mantic |
Not vulnerable
(1.67.1+dfsg0ubuntu1-0ubuntu2)
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Needed
|
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 |