curl vulnerabilities

24 June 2020

curl vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

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

Summary

Several security issues were fixed in curl.

Software Description

• 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 LTS

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 LTS

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 LTS

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 ESM

curl - 7.35.0-1ubuntu2.20+esm4

libcurl3 - 7.35.0-1ubuntu2.20+esm4

libcurl3-gnutls - 7.35.0-1ubuntu2.20+esm4

libcurl3-nss - 7.35.0-1ubuntu2.20+esm4

Ubuntu 12.04 ESM

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

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-2020-8169
• CVE-2020-8177