--===============1389251981126296615==
Content-Type: multipart/signed; micalg=pgp-sha512;
	protocol="application/pgp-signature";
 boundary="MGYHOYXEY6WxJCY8"
Content-Disposition: inline


--MGYHOYXEY6WxJCY8
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

==========================================================================
Ubuntu Security Notice USN-4409-1
July 02, 2020

samba vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Samba.

Software Description:
- samba: SMB/CIFS file, print, and login server for Unix

Details:

Andrew Bartlett discovered that Samba incorrectly handled certain LDAP queries.
A remote attacker could use this issue to cause Samba to crash, resulting
in a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 18.04 LTS, Ubuntu 19.10 and Ubuntu 20.04 LTS. (CVE-2020-10730)

Douglas Bagnall discovered that Samba incorrectly handled certain queries.
A remote attacker could possibly use this issue to cause a denial of service.
(CVE-2020-10745)

Andrei Popa discovered that Samba incorrectly handled certain LDAP queries.
A remote attacker could use this issue to cause Samba to crash, resulting
in a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 18.04 LTS, Ubuntu 19.10 and Ubuntu 20.04 LTS.
(CVE-2020-10760)

Update instructions:

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

Ubuntu 20.04 LTS:
  samba                           2:4.11.6+dfsg-0ubuntu1.3

Ubuntu 19.10:
  samba                           2:4.10.7+dfsg-0ubuntu2.6

Ubuntu 18.04 LTS:
  samba                           2:4.7.6+dfsg~ubuntu-0ubuntu2.17

Ubuntu 16.04 LTS:
  samba                           2:4.3.11+dfsg-0ubuntu0.16.04.28

Ubuntu 14.04 ESM:
  samba                           2:4.3.11+dfsg-0ubuntu0.14.04.20+esm7

Ubuntu 12.04 ESM:
  samba                           2:3.6.25-0ubuntu0.12.04.20

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

References:
  https://usn.ubuntu.com/4409-1
  CVE-2020-10730, CVE-2020-10745, CVE-2020-10760

Package Information:
  https://launchpad.net/ubuntu/+source/samba/2:4.11.6+dfsg-0ubuntu1.3
  https://launchpad.net/ubuntu/+source/samba/2:4.10.7+dfsg-0ubuntu2.6
  https://launchpad.net/ubuntu/+source/samba/2:4.7.6+dfsg~ubuntu-0ubuntu2.17
  https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.16.04.28

--MGYHOYXEY6WxJCY8
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=jiEg
-----END PGP SIGNATURE-----

--MGYHOYXEY6WxJCY8--


--===============1389251981126296615==
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