- Vulnerability/
- RHSA-2021:4059
RHSA-2021:4059: Moderate: curl security update
First published: Tue Nov 02 2021(Updated: )
The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.<br>Security Fix(es):<br><li> curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946)</li> <li> curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947)</li> 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/curl | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-debugsource | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-debugsource | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-minimal-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-minimal-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-devel | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-devel | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-minimal | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-minimal | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-minimal-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-minimal-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-debugsource | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl-minimal-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-devel | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-minimal | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/libcurl-minimal-debuginfo | <7.61.1-18.el8_4.2 | 7.61.1-18.el8_4.2 |
| redhat/curl | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/curl-debuginfo | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/curl-debugsource | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/curl-minimal-debuginfo | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/libcurl | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/libcurl-debuginfo | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/libcurl-devel | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/libcurl-minimal | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
| redhat/libcurl-minimal-debuginfo | <7.61.1-18.el8_4.2.aa | 7.61.1-18.el8_4.2.aa |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2021:4059?
The severity of RHSA-2021:4059 is classified as Moderate due to the potential for unauthorized access via insecure communication protocols.
How do I fix RHSA-2021:4059?
To fix RHSA-2021:4059, you should update the affected curl packages to version 7.61.1-18.el8_4.2 or higher.
What specific packages are affected by RHSA-2021:4059?
The affected packages include curl, libcurl, curl-debuginfo, libcurl-debuginfo, and several others related to these libraries.
What is CVE-2021-22945 related to RHSA-2021:4059?
CVE-2021-22945 highlights the failure to properly enforce TLS usage in protocols like IMAP, POP3, and FTP within curl.
How can I verify if my system is affected by RHSA-2021:4059?
You can verify if your system is affected by checking the installed versions of curl and related packages against the provided vulnerable versions.
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