drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Apache
Name: |
Mehrere Probleme in Apache |
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ID: |
USN-4994-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 20.10, Ubuntu 21.04 |
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Datum: |
Di, 22. Juni 2021, 07:48 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13950
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30641 |
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Applikationen: |
Apache |
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Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --PwV7IbWUviRiAtU30Ri9npoeuMwJytBLE Content-Type: multipart/mixed; boundary="1K9jnnLJQ6FOtKESoscrMZS7W7AzAEuAe"; protected-headers="v1" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> Message-ID: <b2fb517b-85e0-fae6-2031-ff35df7fba88@canonical.com> Subject: [USN-4994-1] Apache HTTP Server vulnerabilities
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========================================================================== Ubuntu Security Notice USN-4994-1 June 21, 2021
apache2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in Apache HTTP Server.
Software Description: - apache2: Apache HTTP server
Details:
Marc Stern discovered that the Apache mod_proxy_http module incorrectly handled certain requests. A remote attacker could possibly use this issue to cause Apache to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2020-13950)
Antonio Morales discovered that the Apache mod_auth_digest module incorrectly handled certain Digest nonces. A remote attacker could possibly use this issue to cause Apache to crash, resulting in a denial of service. (CVE-2020-35452)
Antonio Morales discovered that the Apache mod_session module incorrectly handled certain Cookie headers. A remote attacker could possibly use this issue to cause Apache to crash, resulting in a denial of service. (CVE-2021-26690)
Christophe Jaillet discovered that the Apache mod_session module incorrectly handled certain SessionHeader values. A remote attacker could use this issue to cause Apache to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-26691)
Christoph Anton Mitterer discovered that the new MergeSlashes configuration option resulted in unexpected behaviour in certain situations. (CVE-2021-30641)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.04: apache2 2.4.46-4ubuntu1.1 apache2-bin 2.4.46-4ubuntu1.1
Ubuntu 20.10: apache2 2.4.46-1ubuntu1.2 apache2-bin 2.4.46-1ubuntu1.2
Ubuntu 20.04 LTS: apache2 2.4.41-4ubuntu3.3 apache2-bin 2.4.41-4ubuntu3.3
Ubuntu 18.04 LTS: apache2 2.4.29-1ubuntu4.16 apache2-bin 2.4.29-1ubuntu4.16
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-4994-1 CVE-2020-13950, CVE-2020-35452, CVE-2021-26690, CVE-2021-26691, CVE-2021-30641
Package Information: https://launchpad.net/ubuntu/+source/apache2/2.4.46-4ubuntu1.1 https://launchpad.net/ubuntu/+source/apache2/2.4.46-1ubuntu1.2 https://launchpad.net/ubuntu/+source/apache2/2.4.41-4ubuntu3.3 https://launchpad.net/ubuntu/+source/apache2/2.4.29-1ubuntu4.16
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