Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2023-4641: 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 enough access to retrieve the password from the memory.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | shadow-utils | 2:4.9-12.amzn2023.0.4 |
| Amazon Linux · 2023 | shadow-utils-debuginfo | 2:4.9-12.amzn2023.0.4 |
| Amazon Linux · 2023 | shadow-utils-debugsource | 2:4.9-12.amzn2023.0.4 |
| Amazon Linux · 2023 | shadow-utils-subid | 2:4.9-12.amzn2023.0.4 |
| Amazon Linux · 2023 | shadow-utils-subid-debuginfo | 2:4.9-12.amzn2023.0.4 |
| Amazon Linux · 2023 | shadow-utils-subid-devel | 2:4.9-12.amzn2023.0.4 |
Vulnerabilities 1
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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
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-4641.html