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Ubuntu Security Notice USN-3598-1

Ubuntu Security Notice USN-3598-1
Posted Mar 15, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3598-1 - Phan Thanh discovered that curl incorrectly handled certain FTP paths. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Dario Weisser discovered that curl incorrectly handled certain LDAP URLs. An attacker could possibly use this issue to cause a denial of service. Max Dymond discovered that curl incorrectly handled certain RTSP data. An attacker could possibly use this to cause a denial of service or even to get access to sensitive data. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122
MD5 | 991b132a54cad14aa4100381b63d7a38

Ubuntu Security Notice USN-3598-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3598-1
March 15, 2018

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

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in curl.

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

Details:

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An
attacker could use this to cause a denial of service or possibly execute
arbitrary code. (CVE-2018-1000120)

Dario Weisser discovered that curl incorrectly handled certain LDAP URLs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-1000121)

Max Dymond discovered that curl incorrectly handled certain RTSP data. An
attacker could possibly use this to cause a denial of service or even to
get access to sensitive data. (CVE-2018-1000122)

Update instructions:

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

Ubuntu 17.10:
curl 7.55.1-1ubuntu2.4
libcurl3 7.55.1-1ubuntu2.4
libcurl3-gnutls 7.55.1-1ubuntu2.4
libcurl3-nss 7.55.1-1ubuntu2.4

Ubuntu 16.04 LTS:
curl 7.47.0-1ubuntu2.7
libcurl3 7.47.0-1ubuntu2.7
libcurl3-gnutls 7.47.0-1ubuntu2.7
libcurl3-nss 7.47.0-1ubuntu2.7

Ubuntu 14.04 LTS:
curl 7.35.0-1ubuntu2.15
libcurl3 7.35.0-1ubuntu2.15
libcurl3-gnutls 7.35.0-1ubuntu2.15
libcurl3-nss 7.35.0-1ubuntu2.15

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

References:
https://usn.ubuntu.com/usn/usn-3598-1
CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122

Package Information:
https://launchpad.net/ubuntu/+source/curl/7.55.1-1ubuntu2.4
https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.7
https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.15

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