drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in Dovecot (Aktualisierung)
Name: |
Denial of Service in Dovecot (Aktualisierung) |
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ID: |
USN-4674-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 14.04 ESM |
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Datum: |
Mo, 4. Januar 2021, 23:30 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25275 |
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Applikationen: |
dovecot |
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Update von: |
Zwei Probleme in Dovecot |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-4674-2 January 04, 2021
dovecot vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary:
Dovecot could be made to denial of service if it received a specially crafted MIME.
Software Description: - dovecot: IMAP and POP3 email server
Details:
USN-4674-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. (CVE-2020-25275)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM: dovecot-core 1:2.2.9-1ubuntu2.6+esm4
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4674-2 https://usn.ubuntu.com/4674-1 CVE-2020-25275
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