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Alerts This Week
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Ubuntu 12.04 ESM: USN-3498-2 Critical: Curl Denial Of Service

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Calendar Grey December 4, 2017
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Mitigating a curl security flaw present in Ubuntu, which may trigger a client crash due to specially designed input, resulting in service disruption.
curl could be made to crash if it received specially crafted input.

Summary

curl could be made to crash if it received specially crafted

input.

Software Description:

- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

USN-3498-1 fixed a vulnerability in curl. This update provides

the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that curl incorrectly handled FTP wildcard matching.

 A remote attacker could use this issue to cause curl to crash,

 resulting in a denial of service, or possibly obtain sensitive

 information. (CVE-2017-8817)

Update Instructions

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

Ubuntu 12.04 ESM:
  curl                            7.22.0-3ubuntu4.19
  libcurl3                        7.22.0-3ubuntu4.19
  libcurl3-gnutls                 7.22.0-3ubuntu4.19
  libcurl3-nss                    7.22.0-3ubuntu4.19

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

References

  https://ubuntu.com/security/notices/USN-3498-2

 

  CVE-2017-8817

Severity
critical
Lowest
Low
Medium
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Critical

December 04, 2017

Package Information

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