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Alerts This Week
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Gentoo Linux 202208-18: Risk of Low Severity Motion DoS Attack

gentoo
Calendar Grey August 10, 2022
Dist Gentoo Esm H88
Gentoo Linux Security Advisory GLSA 202209-05 addresses a minor severity vulnerability related to denial of service in the software package Transmission.
A vulnerability in Motion allows a remote attacker to cause denial of service.

Summary

The Motion HTTP server does not correctly perform URL decoding. If the HTTP server receives a request for a URL containing an incomplete percent-encoded character, a flaw in parsing results in an infinite loop trying to parse the rest of the character, which eventually results in a denial of service condition when reading out-of-bounds.

Topics%20covered

Topics Covered

security advisory denial of service Gentoo low severity Motion

Resolution

All Motion users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-video/motion-4.3.2"

References

[ 1 ] CVE-2020-26566 https://nvd.nist.gov/vuln/detail/CVE-2020-26566

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202208-18
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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
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Severity: Low
Title: Motion: Denial of service
Date: August 10, 2022
Bugs: #760714
ID: 202208-18

Topics%20covered

Topics Covered

security advisory denial of service Gentoo low severity Motion

Synopsis

A vulnerability in Motion allows a remote attacker to cause denial of service.

Background

Motion is a program that monitors the video signal from one or more cameras and is able to detect motions.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-video/motion < 4.3.2 >= 4.3.2

Impact

===== A remote attacker can trigger a denial of service condition in Motion.

Workaround

There is no known workaround at this time.