USN-3048-1: curl vulnerabilities

Ubuntu Security Notice USN-3048-1

8th August, 2016

curl vulnerabilities

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

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

Bru Rom discovered that curl incorrectly handled client certificates when
resuming a TLS session. (CVE-2016-5419)

It was discovered that curl incorrectly handled client certificates when
reusing TLS connections. (CVE-2016-5420)

Marcelo Echeverria and Fernando Muñoz discovered that curl incorrectly
reused a connection struct, contrary to expectations. This issue only
applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-5421)

Update instructions

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

Ubuntu 16.04 LTS:: libcurl3-nss

7.47.0-1ubuntu2.1; libcurl3-gnutls

7.47.0-1ubuntu2.1; libcurl3

7.47.0-1ubuntu2.1
Ubuntu 14.04 LTS:: libcurl3-nss

7.35.0-1ubuntu2.8; libcurl3-gnutls

7.35.0-1ubuntu2.8; libcurl3

7.35.0-1ubuntu2.8
Ubuntu 12.04 LTS:: libcurl3-nss

7.22.0-3ubuntu4.16; libcurl3-gnutls

7.22.0-3ubuntu4.16; libcurl3

7.22.0-3ubuntu4.16

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2016-5419,

CVE-2016-5420,

CVE-2016-5421

Source: USN-3048-1: curl vulnerabilities

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