USN-4402-1: curl vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

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

Details

Marek Szlagor, Gregory Jefferis and Jeroen Ooms discovered
that curl incorrectly handled certain credentials. An attacker
could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 19.10 and Ubuntu 20.04 LTS.
(CVE-2020-8169)

It was discovered that curl incorrectly handled certain parameters.
An attacker could possibly use this issue to overwrite a local file.
(CVE-2020-8177)

Update instructions

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

Ubuntu 20.04

• curl - 7.68.0-1ubuntu2.1
• libcurl3-gnutls - 7.68.0-1ubuntu2.1
• libcurl3-nss - 7.68.0-1ubuntu2.1
• libcurl4 - 7.68.0-1ubuntu2.1

Ubuntu 19.10

• curl - 7.65.3-1ubuntu3.1
• libcurl3-gnutls - 7.65.3-1ubuntu3.1
• libcurl3-nss - 7.65.3-1ubuntu3.1
• libcurl4 - 7.65.3-1ubuntu3.1

Ubuntu 18.04

• curl - 7.58.0-2ubuntu3.9
• libcurl3-gnutls - 7.58.0-2ubuntu3.9
• libcurl3-nss - 7.58.0-2ubuntu3.9
• libcurl4 - 7.58.0-2ubuntu3.9

Ubuntu 16.04

• curl - 7.47.0-1ubuntu2.15
• libcurl3 - 7.47.0-1ubuntu2.15
• libcurl3-gnutls - 7.47.0-1ubuntu2.15
• libcurl3-nss - 7.47.0-1ubuntu2.15

Ubuntu 14.04

• curl - 7.35.0-1ubuntu2.20+esm4
  Available with Ubuntu Pro
• libcurl3 - 7.35.0-1ubuntu2.20+esm4
  Available with Ubuntu Pro
• libcurl3-gnutls - 7.35.0-1ubuntu2.20+esm4
  Available with Ubuntu Pro
• libcurl3-nss - 7.35.0-1ubuntu2.20+esm4
  Available with Ubuntu Pro

Ubuntu 12.04

• curl - 7.22.0-3ubuntu4.28
• libcurl3 - 7.22.0-3ubuntu4.28
• libcurl3-gnutls - 7.22.0-3ubuntu4.28
• libcurl3-nss - 7.22.0-3ubuntu4.28

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

References

• CVE-2020-8177
• CVE-2020-8169