Moderate: curl security update

Related Vulnerabilities: CVE-2021-22946   CVE-2021-22947  

Synopsis

Moderate: curl security update

Type/Severity

Security Advisory: Moderate

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Topic

An update for curl is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.

Security Fix(es):

  • curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946)
  • curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.2 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
  • Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.2 ppc64le
  • Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64

Fixes

  • BZ - 2003175 - CVE-2021-22946 curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols
  • BZ - 2003191 - CVE-2021-22947 curl: Server responses received before STARTTLS processed after TLS handshake