USN-3457-1: curl vulnerability

Ubuntu Security Notice USN-3457-1

23rd October, 2017

curl vulnerability

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

Ubuntu 17.10
Ubuntu 17.04
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS

Summary

curl could be made to crash or run programs if it received specially
crafted network traffic.

Software description

curl
– HTTP, HTTPS, and FTP client and client libraries

Details

Brian Carpenter discovered that curl incorrectly handled IMAP FETCH
response lines. A remote attacker could use this issue to cause curl to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions

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

Ubuntu 17.10:: libcurl3-nss

7.55.1-1ubuntu2.1; curl

7.55.1-1ubuntu2.1; libcurl3-gnutls

7.55.1-1ubuntu2.1; libcurl3

7.55.1-1ubuntu2.1
Ubuntu 17.04:: libcurl3-nss

7.52.1-4ubuntu1.3; curl

7.52.1-4ubuntu1.3; libcurl3-gnutls

7.52.1-4ubuntu1.3; libcurl3

7.52.1-4ubuntu1.3
Ubuntu 16.04 LTS:: libcurl3-nss

7.47.0-1ubuntu2.4; curl

7.47.0-1ubuntu2.4; libcurl3-gnutls

7.47.0-1ubuntu2.4; libcurl3

7.47.0-1ubuntu2.4
Ubuntu 14.04 LTS:: libcurl3-nss

7.35.0-1ubuntu2.12; curl

7.35.0-1ubuntu2.12; libcurl3-gnutls

7.35.0-1ubuntu2.12; libcurl3

7.35.0-1ubuntu2.12

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-2017-1000257

Source: USN-3457-1: curl vulnerability

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