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Ubuntu Security Notice USN-3598-2

Ubuntu Security Notice USN-3598-2
Posted May 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3598-2 - USN-3598-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. 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. 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, CVE-2018-1000301
MD5 | c0a7f31a20ff0b1187a6a7af47462855

Ubuntu Security Notice USN-3598-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3598-2
May 24, 2018

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

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in curl.

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

Details:

USN-3598-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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)

Max Dymond discovered that curl incorrectly handled certain RTSP
responses. If a user or automated system were tricked into connecting
to a malicious server, a remote attacker could use this issue to cause
curl to crash, resulting in a denial of service, or possibly obtain
sensitive information. (CVE-2018-1000301)

Update instructions:

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

Ubuntu 12.04 ESM:
curl 7.22.0-3ubuntu4.21
libcurl3 7.22.0-3ubuntu4.21
libcurl3-gnutls 7.22.0-3ubuntu4.21
libcurl3-nss 7.22.0-3ubuntu4.21

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

References:
https://usn.ubuntu.com/usn/usn-3598-2
https://usn.ubuntu.com/usn/usn-3598-1
CVE-2018-1000120, CVE-2018-1000121, CVE-2018-1000122, CVE-2018-1000301
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