1. Ubuntu Security Notices
  2. USN-3710-1

USN-3710-1: curl vulnerability

Publication date

11 July 2018

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

Peter Wu discovered that curl incorrectly handled certain SMTP buffers. A
remote attacker could use this issue to cause curl to crash, resulting in a
denial of service, or possibly execute arbitrary code.

Peter Wu discovered that curl incorrectly handled certain SMTP buffers. 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
18.04 bionic curl –  7.58.0-2ubuntu3.2
libcurl3-gnutls –  7.58.0-2ubuntu3.2
libcurl3-nss –  7.58.0-2ubuntu3.2
libcurl4 –  7.58.0-2ubuntu3.2
17.10 artful curl –  7.55.1-1ubuntu2.6
libcurl3 –  7.55.1-1ubuntu2.6
libcurl3-gnutls –  7.55.1-1ubuntu2.6
libcurl3-nss –  7.55.1-1ubuntu2.6

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References

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