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USN-3457-1: curl vulnerability

23 October 2017

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 17.10
Ubuntu 17.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-3441-2: libcurl3, libcurl3-gnutls, curl, libcurl3-nss