Summary
It was discovered that shadow was not properly sanitizing memory when
running the password utility. An attacker could possibly use this issue
to retrieve a password from memory, exposing sensitive information.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | shadow | 1:4.8.1-1ubuntu5.20.04.5 |
| Ubuntu · 22.04 LTS 22.04:LTS | shadow | 1:4.8.1-2ubuntu2.2 |
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | shadow | 1:4.1.5.1-1ubuntu9.5+esm4 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | shadow | 1:4.2-3.1ubuntu5.5+esm4 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | shadow | 1:4.5-1ubuntu2.5+esm1 |
Vulnerabilities 1
-
Medium 4.7
Shadow-utils: possible password leak during passwd(1) change
A flaw was found in shadow-utils. When asking for a new password, shadow-utils asks the password twice. If the password fails on the second attempt, shadow-utils fails in cleaning the buffer used to store the first entry. This may allow an attacker with enoug…
References
-
report
https://ubuntu.com/security/CVE-2023-4641