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Red Hat Security Advisory 2021-4511-03

Red Hat Security Advisory 2021-4511-03
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4511-03 - The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.

tags | advisory, web, protocol
systems | linux, redhat
advisories | CVE-2021-22876, CVE-2021-22898, CVE-2021-22925
SHA-256 | 2e46a027c588cbe0cdcfacc48339fcf0997de2753cc0d17bbca766f66b962484

Red Hat Security Advisory 2021-4511-03

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: curl security and bug fix update
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
CVE Names: CVE-2021-22876 CVE-2021-22898 CVE-2021-22925
====================================================================
1. Summary:

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 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.

2. Relevant releases/architectures:

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

3. 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: 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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

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

6. 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
curl-debuginfo-7.61.1-22.el8.i686.rpm
curl-debuginfo-7.61.1-22.el8.x86_64.rpm
curl-debugsource-7.61.1-22.el8.i686.rpm
curl-debugsource-7.61.1-22.el8.x86_64.rpm
curl-minimal-debuginfo-7.61.1-22.el8.i686.rpm
curl-minimal-debuginfo-7.61.1-22.el8.x86_64.rpm
libcurl-7.61.1-22.el8.i686.rpm
libcurl-7.61.1-22.el8.x86_64.rpm
libcurl-debuginfo-7.61.1-22.el8.i686.rpm
libcurl-debuginfo-7.61.1-22.el8.x86_64.rpm
libcurl-devel-7.61.1-22.el8.i686.rpm
libcurl-devel-7.61.1-22.el8.x86_64.rpm
libcurl-minimal-7.61.1-22.el8.i686.rpm
libcurl-minimal-7.61.1-22.el8.x86_64.rpm
libcurl-minimal-debuginfo-7.61.1-22.el8.i686.rpm
libcurl-minimal-debuginfo-7.61.1-22.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. 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/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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