USN-4129-1: curl vulnerabilities

Releases

• Ubuntu 19.04
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

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

Details

Thomas Vegas discovered that curl incorrectly handled memory when using
Kerberos over FTP. A remote attacker could use this issue to crash curl,
resulting in a denial of service. (CVE-2019-5481)

Thomas Vegas discovered that curl incorrectly handled memory during TFTP
transfers. A remote attacker could use this issue to crash curl, resulting
in a denial of service, or possibly execute arbitrary code. (CVE-2019-5482)

Update instructions

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

Ubuntu 19.04

• curl - 7.64.0-2ubuntu1.2
• libcurl3-gnutls - 7.64.0-2ubuntu1.2
• libcurl3-nss - 7.64.0-2ubuntu1.2
• libcurl4 - 7.64.0-2ubuntu1.2

Ubuntu 18.04

• curl - 7.58.0-2ubuntu3.8
• libcurl3-gnutls - 7.58.0-2ubuntu3.8
• libcurl3-nss - 7.58.0-2ubuntu3.8
• libcurl4 - 7.58.0-2ubuntu3.8

Ubuntu 16.04

• curl - 7.47.0-1ubuntu2.14
• libcurl3 - 7.47.0-1ubuntu2.14
• libcurl3-gnutls - 7.47.0-1ubuntu2.14
• libcurl3-nss - 7.47.0-1ubuntu2.14

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

References

• CVE-2019-5481
• CVE-2019-5482

Related notices

• USN-4129-2: libcurl4-doc, libcurl4-gnutls-dev, libcurl4-nss-dev, libcurl4-openssl-dev, libcurl3, libcurl3-gnutls, curl-udeb, libcurl3-nss, libcurl3-udeb, curl