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AUSCERT External Security Bulletin Redistribution
ESB-2017.2679
curl vulnerability
24 October 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: curl
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1000257
Original Bulletin:
http://www.ubuntu.com/usn/usn-3457-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running curl check for an updated version of the software for their
operating system.
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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
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