QID 198316

Date Published: 2021-04-06

QID 198316: Ubuntu Security Notification for Curl Vulnerabilities (USN-4898-1)

It was discovered that curl did not strip off user credentials from referrer header fields.

It was discovered that curl incorrectly handled session tickets when using an HTTPS proxy.

A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2021-22876)

A remote attacker in control of an HTTPS proxy could use this issue to bypass certificate checks and intercept communications. This issue only affected Ubuntu 20.04 LTS and Ubuntu 20.10. (CVE-2021-22890)

CVSS V3 rated as Medium - 5.3 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Refer to Ubuntu advisory USN-4898-1 for affected packages and patching details, or update with your package manager.

Vendor References

USN-4898-1 - usn.ubuntu.com/4898-1/

CVEs related to QID 198316

CVE-2021-22876 | CVE-2021-22890 |

Software Advisories

Advisory ID	Software	Component	Link
USN-4898-1	16.04 (Xenial) on src	curl	launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.19
USN-4898-1	16.04 (Xenial) on src	libcurl3	launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.19
USN-4898-1	16.04 (Xenial) on src	libcurl3-gnutls	launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.19
USN-4898-1	16.04 (Xenial) on src	libcurl3-nss	launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.19
USN-4898-1	18.04 (bionic) on src	curl	launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.13
USN-4898-1	18.04 (bionic) on src	libcurl3-gnutls	launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.13
USN-4898-1	18.04 (bionic) on src	libcurl3-nss	launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.13
USN-4898-1	18.04 (bionic) on src	libcurl4	launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.13
USN-4898-1	20.04 (focal) on src	curl	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.5
USN-4898-1	20.04 (focal) on src	libcurl3-gnutls	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.5
USN-4898-1	20.04 (focal) on src	libcurl3-nss	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.5
USN-4898-1	20.04 (focal) on src	libcurl4	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.5
USN-4898-1	20.10 (groovy) on src	curl	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu4.3
USN-4898-1	20.10 (groovy) on src	libcurl3-gnutls	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu4.3
USN-4898-1	20.10 (groovy) on src	libcurl3-nss	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu4.3
USN-4898-1	20.10 (groovy) on src	libcurl4	launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu4.3

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