Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-29922

Published: 7 August 2021

library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation.

Priority

Medium

Cvss 3 Severity Score

9.1

Score breakdown

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)
noble Not vulnerable
(1.67.1+dfsg0ubuntu1-0ubuntu2)
trusty Needed

upstream
Released (1.53.0)
xenial Needed

Severity score breakdown

Parameter Value
Base score 9.1
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H