1. Ubuntu Security Notices
  2. USN-3457-1

USN-3457-1: curl vulnerability

Publication date

23 October 2017

Overview

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

Releases

Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful curl –  7.55.1-1ubuntu2.1
libcurl3 –  7.55.1-1ubuntu2.1
libcurl3-gnutls –  7.55.1-1ubuntu2.1
libcurl3-nss –  7.55.1-1ubuntu2.1
17.04 zesty curl –  7.52.1-4ubuntu1.3
libcurl3 –  7.52.1-4ubuntu1.3
libcurl3-gnutls –  7.52.1-4ubuntu1.3
libcurl3-nss –  7.52.1-4ubuntu1.3
16.04 xenial curl –  7.47.0-1ubuntu2.4
libcurl3 –  7.47.0-1ubuntu2.4
libcurl3-gnutls –  7.47.0-1ubuntu2.4
libcurl3-nss –  7.47.0-1ubuntu2.4
14.04 trusty curl –  7.35.0-1ubuntu2.12
libcurl3 –  7.35.0-1ubuntu2.12
libcurl3-gnutls –  7.35.0-1ubuntu2.12
libcurl3-nss –  7.35.0-1ubuntu2.12

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References

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