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Gentoo: GLSA-202310-09 Normal: c-ares Denial Of Service Risks

gentoo
Calendar Grey October 8, 2023
Dist Gentoo Esm H88
Explore various security weaknesses within c-ares that impact Gentoo, leading to possible Denial of Service incidents and necessitating updates.
Multiple vulnerabilities have been discovered in c-ares the worst of which could result in Denial of Service.

Summary

Multiple vulnerabilities have been discovered in c-ares. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory denial of service gentoo software update DNS normal severity c-ares

Resolution

All c-ares users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/c-ares-1.19.1"

References

[ 1 ] CVE-2023-31124 https://nvd.nist.gov/vuln/detail/CVE-2023-31124 [ 2 ] CVE-2023-31130 https://nvd.nist.gov/vuln/detail/CVE-2023-31130 [ 3 ] CVE-2023-31147 https://nvd.nist.gov/vuln/detail/CVE-2023-31147 [ 4 ] CVE-2023-32067 https://nvd.nist.gov/vuln/detail/CVE-2023-32067

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202310-09
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: c-ares: Multiple Vulnerabilities
Date: October 08, 2023
Bugs: #906964
ID: 202310-09

Topics%20covered

Topics Covered

security advisory denial of service gentoo software update DNS normal severity c-ares

Synopsis

Multiple vulnerabilities have been discovered in c-ares the worst of which could result in Denial of Service.

Background

c-ares is a C library for asynchronous DNS requests (including name resolves).

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Affected Packages

Package Vulnerable Unaffected -------------- ------------ ------------ net-dns/c-ares < 1.19.1 >= 1.19.1

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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