Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-31124: When cross-compiling c-ares and using the autotools build system, CARES_RANDOM_FILE will not be set, as seen when cross compiling aarch64 android. This will downgrade to using rand() as a fallback which could allow an attacker to take advantage of the lack of entropy by not using a CSPRNG.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | c-ares | 0:1.10.0-3.amzn2.0.5 |
| Amazon Linux · 2 | c-ares-debuginfo | 0:1.10.0-3.amzn2.0.5 |
| Amazon Linux · 2 | c-ares-devel | 0:1.10.0-3.amzn2.0.5 |
Vulnerabilities 1
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Low 3.7
AutoTools does not set CARES_RANDOM_FILE during cross compilation
c-ares is an asynchronous resolver library. When cross-compiling c-ares and using the autotools build system, CARES_RANDOM_FILE will not be set, as seen when cross compiling aarch64 android. This will downgrade to using rand() as a fallback which could allow …
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-31124.html