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Gentoo: GLSA-202101-20 Normal: libmaxminddb Security Flaw Detected

gentoo
Calendar Grey November 14, 2020
Dist Gentoo Esm H88
Gentoo Linux Advisory GLSA 202112-34 highlights a security vulnerability in libexampledb; patching advised.
A vulnerability in libmaxminddb could lead to a Denial of Service condition.

Summary

libmaxminddb used uninitialised memory when reading from a corrupt database file.

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity libmaxminddb

Resolution

All libmaxminddb users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libmaxminddb-1.4.3"

References

[ 1 ] CVE-2020-28241 https://nvd.nist.gov/vuln/detail/CVE-2020-28241

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202011-15
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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: libmaxminddb: Denial of service
Date: November 14, 2020
Bugs: #753275
ID: 202011-15

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity libmaxminddb

Synopsis

A vulnerability in libmaxminddb could lead to a Denial of Service condition.

Background

The libmaxminddb library provides a C library for reading MaxMind DB files, including the GeoIP2 databases from MaxMind.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libmaxminddb < 1.4.3 >= 1.4.3

Impact

===== A remote attacker could entice a user to use a specially crafted database with libmaxminddb, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

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