Ubuntu Security Notice USN-4477-1 ≈ Packet Storm – Digitalmunition




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Published on August 28th, 2020 📆 | 2314 Views ⚑

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Ubuntu Security Notice USN-4477-1 ≈ Packet Storm

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Ubuntu Security Notice USN-4477-1
August 27, 2020

squid vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Squid.

Software Description:
– squid: Web proxy cache server

Details:

Amit Klein discovered that Squid incorrectly validated certain data. A
remote attacker could possibly use this issue to perform an HTTP request
smuggling attack, resulting in cache poisoning. (CVE-2020-15810)

Régis Leroy discovered that Squid incorrectly validated certain data. A
remote attacker could possibly use this issue to perform an HTTP request
splitting attack, resulting in cache poisoning. (CVE-2020-15811)

Lubos Uhliarik discovered that Squid incorrectly handled certain Cache
Digest response messages sent by trusted peers. A remote attacker could
possibly use this issue to cause Squid to consume resources, resulting in a
denial of service. (CVE-2020-24606)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
squid 4.10-1ubuntu1.2

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4477-1
CVE-2020-15810, CVE-2020-15811, CVE-2020-24606

Package Information:
https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.2

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