ID

VAR-202106-0521

CVE

CVE-2021-22898

TITLE

curl  Vulnerability in resource initialization deficiency in

DESCRIPTION

curl 7.7 through 7.76.1 suffers from an information disclosure when the `-t` command line option, known as `CURLOPT_TELNETOPTIONS` in libcurl, is used to send variable=content pairs to TELNET servers. Due to a flaw in the option parser for sending NEW_ENV variables, libcurl could be made to pass on uninitialized data from a stack based buffer to the server, resulting in potentially revealing sensitive internal information to the server using a clear-text network protocol. curl Exists in a flaw in resource initialization.Information may be obtained. Bugs fixed (https://bugzilla.redhat.com/): 1944888 - CVE-2021-21409 netty: Request smuggling via content-length header 2004133 - CVE-2021-37136 netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data 2004135 - CVE-2021-37137 netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way 2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value 5. JIRA issues fixed (https://issues.jboss.org/): LOG-1971 - Applying cluster state is causing elasticsearch to hit an issue and become unusable 6. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== 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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYYrePtzjgjWX9erEAQi1vg/+NwMM5Xa95S/32eA64QYnxTQcWSn6wyzC wHAIvXVu4L9kZrLqCm2zeO6US0KFZ6tCEgjamDjgO+9b1mYso3b3R2DDTbWtq4i+ gsbCths+Bqhn45Qsk9kQdhznS/MF+tWeNK06KnkJ02NmgxcuISWLQirx32Xc230e Hs0P9TarBo04m+6HDC7CeloD8rkqpQJ4nJhX8hujaEUbukSPlkizyT/IlWTAFR9l GLZfIkFpifNqtQzn9j6dxcefXq0BcMfAMsSbRsh7E0oJGi9x79ySEO+r5b4dlsqK 30PfEJxjrFZN3TuqzbG7pfdpKRRmUzdXCHpxb5MxXrkeD7xuzPomrorKayUIQi6g YhESs4khV+i+6zqCNHpYdBcDbxuiYJ1w80kg/31YC7u7YEI4IlMISzw7CctzQEhk +SqVOVKxI8Rn7OZSzb3cR6LubmR1UihMblYHHgaJ9mA7r9zAC7evddzhkxMtQ42P 81V3u0YaZKxWAy8d/brDz2YS/1Y7nnGsjNUaRZxTlWxbcjSz2cf/DPu8A5IiHS6T M/OA8MBC4mFkQkBf4v5PKWBZe6K+gEfmJzfjlQ8nTFhYhHwNtC1z8tMP42ugNGYY ejAfwtZ5Tw3AnuOBeb+bm148KSd/W1UPSUyJh6IrgwzMbkfDNKmKy+7gaIXZ3otd clmEcx7lYW4=7Kqb -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . This update provides the corresponding updates for Ubuntu 16.04 ESM. Solution: OSP 16.2.z Release - OSP Director Operator Containers 4. Bugs fixed (https://bugzilla.redhat.com/): 2025995 - Rebase tech preview on latest upstream v1.2.x branch 2030801 - CVE-2021-44716 golang: net/http: limit growth of header canonicalization cache 2036784 - osp controller (fencing enabled) in downed state after system manual crash test 5. Summary: The Migration Toolkit for Containers (MTC) 1.5.4 is now available. Description: The Migration Toolkit for Containers (MTC) enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API. Bugs fixed (https://bugzilla.redhat.com/): 1995656 - CVE-2021-36221 golang: net/http/httputil: panic due to racy read of persistConn after handler panic 5. ========================================================================== Ubuntu Security Notice USN-5894-1 February 27, 2023 curl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Several security issues were fixed in curl. This issue was only fixed in Ubuntu 14.04 ESM. (CVE-2021-22898, CVE-2021-22925) It was discovered that curl incorrectly handled denials when using HTTP proxies. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-43552) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: curl 7.47.0-1ubuntu2.19+esm7 libcurl3 7.47.0-1ubuntu2.19+esm7 libcurl3-gnutls 7.47.0-1ubuntu2.19+esm7 libcurl3-nss 7.47.0-1ubuntu2.19+esm7 Ubuntu 14.04 ESM: curl 7.35.0-1ubuntu2.20+esm14 libcurl3 7.35.0-1ubuntu2.20+esm14 libcurl3-gnutls 7.35.0-1ubuntu2.20+esm14 libcurl3-nss 7.35.0-1ubuntu2.20+esm14 In general, a standard system update will make all the necessary changes. These flaws may allow remote attackers to obtain sensitive information, leak authentication or cookie header data or facilitate a denial of service attack. For the stable distribution (bullseye), these problems have been fixed in version 7.74.0-1.3+deb11u2. We recommend that you upgrade your curl packages. For the detailed security status of curl please refer to its security tracker page at: https://security-tracker.debian.org/tracker/curl Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAmLoBaNfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeTf9A//VWkco2gxCMMe8JDcL9sLD0B5L8KGRxbPBYmpE1l2kCpiW9QGVwCN3q2K i8xo0jmRxSwSXDmAE17aTtGT66vU8vQSHewty031TcvWKBoAJpKRTbazfdOy/vDD waofTEaUClFt3NNiR3gigRU6OFV/9MWlUWwCJ/Wgd5osJTQCyWV/iHz3FJluc1Gp rXamYLnWGUJbIZgMFEo7TqIyb91P0PrX4hpnCcnhvY4ci5NWOj2qaoWGhgF+f9gz Uao91GTOnuTyoY3apKzifdO5dih9zJttnRKUgHkn9YCGxanljoPjHRYOavWdN6bE yIpT/Xw2dy05Fzydb73bDurQP+mkyWGZA+S8gxtbY7S7OylRS9iHSfyUpAVEM/Ab SPkGQl6vBKr7dmyHkdIlbViste6kcmhQQete9E3tM18MkyK0NbBiUj+pShNPC+SF REStal14ZE+DSwFKp5UA8izEh0G5RC5VUVhB/jtoxym2rvmIamk5YqCS1rupGP9R 1Y+Jm8CywBrKHl5EzAVUswC5xDAArWdXRvrgHCeElnkwuCwRC8AgRiYFFRulWKwt TV5qveehnzSc2z5IDc/tdiPWNJhJu/blNN8BauG8zmJV4ZhZP9EO1FCLE7DpqQ38 EPtUTMXaMQR1W15He51auBQwJgSiX1II+5jh6PeZTKBKnJgLYNA= =3E71 -----END PGP SIGNATURE----- . Description: Red Hat OpenShift Container Storage is software-defined storage integrated with and optimized for the Red Hat OpenShift Container Platform. Red Hat OpenShift Container Storage is highly scalable, production-grade persistent storage for stateful applications running in the Red Hat OpenShift Container Platform. In addition to persistent storage, Red Hat OpenShift Container Storage provides a multicloud data management service with an S3 compatible API. Bug Fix(es): * Previously, when the namespace store target was deleted, no alert was sent to the namespace bucket because of an issue in calculating the namespace bucket health. With this update, the issue in calculating the namespace bucket health is fixed and alerts are triggered as expected. (BZ#1993873) * Previously, the Multicloud Object Gateway (MCG) components performed slowly and there was a lot of pressure on the MCG components due to non-optimized database queries. With this update the non-optimized database queries are fixed which reduces the compute resources and time taken for queries. Bugs fixed (https://bugzilla.redhat.com/): 1993873 - [4.8.z clone] Alert NooBaaNamespaceBucketErrorState is not triggered when namespacestore's target bucket is deleted 2006958 - CVE-2020-26301 nodejs-ssh2: Command injection by calling vulnerable method with untrusted input 5

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

code execution

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Red Hat

SOURCES

LAST UPDATE DATE

2026-03-21T22:35:18.238000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE