drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Squid
Name: |
Mehrere Probleme in Squid |
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ID: |
USN-4289-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 19.10 |
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Datum: |
Do, 20. Februar 2020, 16:48 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8517
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8450
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12528
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8449 |
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Applikationen: |
Squid |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4289-1 February 20, 2020
squid, squid3 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS
Summary:
Several security issues were fixed in Squid.
Software Description: - squid: Web proxy cache server - squid3: Web proxy cache server
Details:
Jeriko One discovered that Squid incorrectly handled memory when connected to an FTP server. A remote attacker could possibly use this issue to obtain sensitive information from Squid memory. (CVE-2019-12528)
Regis Leroy discovered that Squid incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to access server resources prohibited by earlier security filters. (CVE-2020-8449)
Guido Vranken discovered that Squid incorrectly handled certain buffer operations when acting as a reverse proxy. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-8450)
Aaron Costello discovered that Squid incorrectly handled certain NTLM authentication credentials. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2020-8517)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10: squid 4.8-1ubuntu2.2
Ubuntu 18.04 LTS: squid 3.5.27-1ubuntu1.5
Ubuntu 16.04 LTS: squid 3.5.12-1ubuntu7.10
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4289-1 CVE-2019-12528, CVE-2020-8449, CVE-2020-8450, CVE-2020-8517
Package Information: https://launchpad.net/ubuntu/+source/squid/4.8-1ubuntu2.2 https://launchpad.net/ubuntu/+source/squid3/3.5.27-1ubuntu1.5 https://launchpad.net/ubuntu/+source/squid3/3.5.12-1ubuntu7.10
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