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Red Hat Enterprise Linux: RHSA-2021-4511 Moderate: curl Security Issues

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
The Debian Security Announcement concerning wget outlines important security patches and bug fixes applicable to Debian 10.
An update for curl is now available for Red Hat Enterprise Linux 8

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

Summary

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: Leak of authentication credentials in URL via automatic Referer (CVE-2021-22876)
* curl: TELNET stack contents disclosure (CVE-2021-22898)
* curl: Incorrect fix for CVE-2021-22898 TELNET stack contents disclosure (CVE-2021-22925)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux moderate severity security impact authentication curl TELNET disclosure

References

https://access.redhat.com/security/cve/CVE-2021-22876 https://access.redhat.com/security/cve/CVE-2021-22898 https://access.redhat.com/security/cve/CVE-2021-22925 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: curl-7.61.1-22.el8.src.rpm
aarch64: curl-7.61.1-22.el8.aarch64.rpm curl-debuginfo-7.61.1-22.el8.aarch64.rpm curl-debugsource-7.61.1-22.el8.aarch64.rpm curl-minimal-debuginfo-7.61.1-22.el8.aarch64.rpm libcurl-7.61.1-22.el8.aarch64.rpm libcurl-debuginfo-7.61.1-22.el8.aarch64.rpm libcurl-devel-7.61.1-22.el8.aarch64.rpm libcurl-minimal-7.61.1-22.el8.aarch64.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.aarch64.rpm
ppc64le: curl-7.61.1-22.el8.ppc64le.rpm curl-debuginfo-7.61.1-22.el8.ppc64le.rpm curl-debugsource-7.61.1-22.el8.ppc64le.rpm curl-minimal-debuginfo-7.61.1-22.el8.ppc64le.rpm libcurl-7.61.1-22.el8.ppc64le.rpm libcurl-debuginfo-7.61.1-22.el8.ppc64le.rpm libcurl-devel-7.61.1-22.el8.ppc64le.rpm libcurl-minimal-7.61.1-22.el8.ppc64le.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.ppc64le.rpm
s390x: curl-7.61.1-22.el8.s390x.rpm curl-debuginfo-7.61.1-22.el8.s390x.rpm curl-debugsource-7.61.1-22.el8.s390x.rpm curl-minimal-debuginfo-7.61.1-22.el8.s390x.rpm libcurl-7.61.1-22.el8.s390x.rpm libcurl-debuginfo-7.61.1-22.el8.s390x.rpm libcurl-devel-7.61.1-22.el8.s390x.rpm libcurl-minimal-7.61.1-22.el8.s390x.rpm libcurl-minimal-debuginfo-7.61.1-22.el8.s390x.rpm
x86_64: curl-7.61.1-22.el8.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2021:4511-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4511
Issue date: 2021-11-09

Topic

An update for curl is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat Enterprise Linux moderate severity security impact authentication curl TELNET disclosure

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1941964 - CVE-2021-22876 curl: Leak of authentication credentials in URL via automatic Referer

1947493 - Why there is a difference between curl --head output on the RHEL7 and RHEL8.

1964887 - CVE-2021-22898 curl: TELNET stack contents disclosure

1970902 - CVE-2021-22925 curl: Incorrect fix for CVE-2021-22898 TELNET stack contents disclosure

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