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Sicherheit: Mehrere Probleme in curl
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in curl
ID: USN-3123-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10
Datum: Do, 3. November 2016, 22:39
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8616
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8615
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8617
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8618
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7167
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8620
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8622
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7141
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8619
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8624
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8623
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8621

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <707837a2-e976-bd38-dc22-4f6339e08e22@canonical.com>
Subject: [USN-3123-1] curl vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3123-1
November 03, 2016

curl vulnerabilities
==========================================================================

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

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in curl.

Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

It was discovered that curl incorrectly reused client certificates when
built with NSS. A remote attacker could possibly use this issue to hijack
the authentication of a TLS connection. (CVE-2016-7141)

Nguyen Vu Hoang discovered that curl incorrectly handled escaping certain
strings. A remote attacker could possibly use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-7167)

It was discovered that curl incorrectly handled storing cookies. A remote
attacker could possibly use this issue to inject cookies for arbitrary
domains in the cookie jar. (CVE-2016-8615)

It was discovered that curl incorrect handled case when comparing user
names and passwords. A remote attacker with knowledge of a case-insensitive
version of the correct password could possibly use this issue to cause
a connection to be reused. (CVE-2016-8616)

It was discovered that curl incorrect handled memory when encoding to
base64. A remote attacker could possibly use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-8617)

It was discovered that curl incorrect handled memory when preparing
formatted output. A remote attacker could possibly use this issue to cause
curl to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2016-8618)

It was discovered that curl incorrect handled memory when performing
Kerberos authentication. A remote attacker could possibly use this issue to
cause curl to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2016-8619)

Luật Nguyễn discovered that curl incorrectly handled parsing globs. A
remote attacker could possibly use this issue to cause curl to crash,
resulting in a denial of service, or possibly execute arbitrary code. This
issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.
(CVE-2016-8620)

Luật Nguyễn discovered that curl incorrectly handled converting dates. A
remote attacker could possibly use this issue to cause curl to crash,
resulting in a denial of service. (CVE-2016-8621)

It was discovered that curl incorrectly handled URL percent-encoding
decoding. A remote attacker could possibly use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-8622)

It was discovered that curl incorrectly handled shared cookies. A remote
server could possibly obtain incorrect cookies or other sensitive
information. (CVE-2016-8623)

Fernando Muñoz discovered that curl incorrect parsed certain URLs. A remote
attacker could possibly use this issue to trick curl into connecting to a
different host. (CVE-2016-8624)

Update instructions:

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

Ubuntu 16.10:
libcurl3 7.50.1-1ubuntu1.1
libcurl3-gnutls 7.50.1-1ubuntu1.1
libcurl3-nss 7.50.1-1ubuntu1.1

Ubuntu 16.04 LTS:
libcurl3 7.47.0-1ubuntu2.2
libcurl3-gnutls 7.47.0-1ubuntu2.2
libcurl3-nss 7.47.0-1ubuntu2.2

Ubuntu 14.04 LTS:
libcurl3 7.35.0-1ubuntu2.10
libcurl3-gnutls 7.35.0-1ubuntu2.10
libcurl3-nss 7.35.0-1ubuntu2.10

Ubuntu 12.04 LTS:
libcurl3 7.22.0-3ubuntu4.17
libcurl3-gnutls 7.22.0-3ubuntu4.17
libcurl3-nss 7.22.0-3ubuntu4.17

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

References:
http://www.ubuntu.com/usn/usn-3123-1
CVE-2016-7141, CVE-2016-7167, CVE-2016-8615, CVE-2016-8616,
CVE-2016-8617, CVE-2016-8618, CVE-2016-8619, CVE-2016-8620,
CVE-2016-8621, CVE-2016-8622, CVE-2016-8623, CVE-2016-8624

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.50.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.2
https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.10
https://launchpad.net/ubuntu/+source/curl/7.22.0-3ubuntu4.17



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