drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in Dovecot (Aktualisierung)
Name: |
Mehrere Probleme in Dovecot (Aktualisierung) |
|
ID: |
USN-4456-2 |
|
Distribution: |
Ubuntu |
|
Plattformen: |
Ubuntu 14.04 ESM |
|
Datum: |
Mo, 17. August 2020, 22:26 |
|
Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12673
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12674
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12100 |
|
Applikationen: |
dovecot |
|
Update von: |
Mehrere Probleme in Dovecot |
|
Originalnachricht |
--===============8893743710315509241== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="i0/AhcQY5QxfSsSZ" Content-Disposition: inline
--i0/AhcQY5QxfSsSZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline
========================================================================== Ubuntu Security Notice USN-4456-2 August 17, 2020
dovecot vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in Dovecot.
Software Description: - dovecot: IMAP and POP3 email server
Details:
USN-4456-1 fixed several vulnerabilities in Dovecot. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Dovecot incorrectly handled deeply nested MIME parts. A remote attacker could possibly use this issue to cause Dovecot to consume resources, resulting in a denial of service. (CVE-2020-12100)
It was discovered that Dovecot incorrectly handled memory when using NTLM. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. (CVE-2020-12673)
It was discovered that the Dovecot RPA mechanism incorrectly handled zero-length messages. A remote attacker could possibly use this issue to cause Dovecot to crash, resulting in a denial of service. (CVE-2020-12674)
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+esm3
In general, a standard system update will make all the necessary changes.
References: https://usn.ubuntu.com/4456-2 https://usn.ubuntu.com/4456-1 CVE-2020-12100, CVE-2020-12673, CVE-2020-12674
--i0/AhcQY5QxfSsSZ Content-Type: application/pgp-signature; name="signature.asc"
-----BEGIN PGP SIGNATURE-----
iQIzBAABCgAdFiEEf+ebRFcoyOoAQoOeRbznW4QLH2kFAl86iEAACgkQRbznW4QL H2k6Mg//doS/q4ioZT2y829LlWKr+FWSO13Gn1jaNNfSRmNCu4IV9bJjX6IHm1F8 tSbSgey5YOIPHVpPAr07AwMpWEkosSGw2Ic/EDtn8UGlaDwC9tVEaWBy6QFCvIet JJmIp4MbH9Kv+ABPMYppKUvCcVdg58AIx+Pvzf9m3fyVimtImnpmDV76KRP0yrLQ f/0FVtZphF4hfFDWZEfiOs2TOZSrCKAoKuXkrSHq095cAiIbzJXNuV3pfPW9/UG+ DynqCCiElknIvKW2ZRR0uVsgjufewDCviZBPay4DuhwUTerdBDUXaMmNhhDp5xwP y4Ds0zwnKhgqWASz0l86t7Wtje48Kw5/Lqyw1rPJLMJbgyYd+0gM5WX9hFWqJNPy pqiwrsO0Rv5oWA9Vlearxsoq+Nou9mGXu+HnMunK0YAqe6ZImj3JLEI2k/bC6HP8 1awKiUXJL3KzsTCeyFs0ctxd8KxgEy853vtwc6TO17/7S0U0OmzxMV5QljDnl+6m pp4NV9Zjv3IzYF1k2UpMRkBspnhP7AjvtJRB5VvoCGeyHei6AvS8iBGAUVGfMin2 UiayuVGruF20WNluSLzvHuuKpnLevD0LSI3vHEJNQriDgcM1W7FXm4I7BKn4zc4B 5uruJ+DyPg+oFvOCqjWNFaWVj8S9v02bDnlnSGs5WvFqTemBvzA= =pHvu -----END PGP SIGNATURE-----
--i0/AhcQY5QxfSsSZ--
--===============8893743710315509241== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline
-- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce
|
|
|
|