var-202208-0814
Vulnerability from variot

The th_read() function doesn’t free a variable t->th_buf.gnu_longname after allocating memory, which may cause a memory leak. feep.net of libtar Products from multiple other vendors are vulnerable to lack of freeing memory after expiration.Service operation interruption (DoS) It may be in a state. openEuler is an operating system of the Open Atom Open Source Foundation. There are security vulnerabilities in openEuler 20.03-LTS-SP1, 20.03-LTS-SP3 and 22.03-LTS versions. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Moderate: libtar security update Advisory ID: RHSA-2023:2898-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:2898 Issue date: 2023-05-16 CVE Names: CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646 ==================================================================== 1. Summary:

An update for libtar 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.

  1. Relevant releases/architectures:

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

  1. Description:

The libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of the commonly used GNU extensions.

Security Fix(es):

  • libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)

  • libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)

  • libtar: memory leak found in th_read() function (CVE-2021-33645)

  • libtar: memory leak found in th_read() function (CVE-2021-33646)

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 8.8 Release Notes linked from the References section.

  1. 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

  1. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source: libtar-1.2.20-17.el8.src.rpm

aarch64: libtar-1.2.20-17.el8.aarch64.rpm libtar-debuginfo-1.2.20-17.el8.aarch64.rpm libtar-debugsource-1.2.20-17.el8.aarch64.rpm

ppc64le: libtar-1.2.20-17.el8.ppc64le.rpm libtar-debuginfo-1.2.20-17.el8.ppc64le.rpm libtar-debugsource-1.2.20-17.el8.ppc64le.rpm

s390x: libtar-1.2.20-17.el8.s390x.rpm libtar-debuginfo-1.2.20-17.el8.s390x.rpm libtar-debugsource-1.2.20-17.el8.s390x.rpm

x86_64: libtar-1.2.20-17.el8.i686.rpm libtar-1.2.20-17.el8.x86_64.rpm libtar-debuginfo-1.2.20-17.el8.i686.rpm libtar-debuginfo-1.2.20-17.el8.x86_64.rpm libtar-debugsource-1.2.20-17.el8.i686.rpm libtar-debugsource-1.2.20-17.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/

  1. References:

https://access.redhat.com/security/cve/CVE-2021-33643 https://access.redhat.com/security/cve/CVE-2021-33644 https://access.redhat.com/security/cve/CVE-2021-33645 https://access.redhat.com/security/cve/CVE-2021-33646 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index

  1. Contact:

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

Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1

iQIVAwUBZGNwdNzjgjWX9erEAQjfPw//SoG/pVemP1peDGxUFDfBMBbldrFWpNro Te4tTe3YAkVgQgtnGZ8n3Arlrryk+3wfgQj3u9gdUj1w14YyEZC8hpWLCXI5iw/P Ul4dHHOnO0UW568dkaqUeJjl02o2ugRp2RZVt14yuZqLKmF9WCJW7lCZQLoqCIVp 7P3vZOQBlyU6BuGXO4Th86fpLDEZCboBQDA2QeNFvt+qNwvNxgb3A05217tfXnZ4 EpltZPIrl8pzEmmWA09XeFgIm5GXNiWjjR/fF3OHSgQ9cmXnafxWSBNiDlzHNQCk 0/z5gcvl+BJLceQoZBo6hdldHCiOF20jCxr8Nb/3sSJ+zAqQqqNsnDQ1TGs2GMDz Mx5JECSk0p79MMKR0mrP2NbCqxqEsqOkjinIa0PDlKNPFbEikA4l7fXu58KyHsr/ V9otYHvD1ilS7cTw1FGi198oodCofA+euZCQBNnWuFbnrCo1cyRBN6mjCMZwDgww ZhNWOUvAmkhtC5ebBb8zuMJ73ojSwiv886kJbEjDlG7SDGbMPHxEAgTHWZp5l+jw z36m+SegsAXE/UKHRYTFriRA5p1pyq/AVUMwhMXvQhwwNxPl2wsaUOJGFBw3Fu3n bAFXpxAngQvELHEFOtmL9fzbnFo93OTkvuz9tJpbvNOCmDBJJEN6Znhic0iWzT0p kHiakPvkvj4=I+bk -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce

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    "data": "The th_read() function doesn\u2019t free a variable t-\u003eth_buf.gnu_longname after allocating memory, which may cause a memory leak. feep.net of libtar Products from multiple other vendors are vulnerable to lack of freeing memory after expiration.Service operation interruption (DoS) It may be in a state. openEuler is an operating system of the Open Atom Open Source Foundation. There are security vulnerabilities in openEuler 20.03-LTS-SP1, 20.03-LTS-SP3 and 22.03-LTS versions. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n====================================================================                   \nRed Hat Security Advisory\n\nSynopsis:          Moderate: libtar security update\nAdvisory ID:       RHSA-2023:2898-01\nProduct:           Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2023:2898\nIssue date:        2023-05-16\nCVE Names:         CVE-2021-33643 CVE-2021-33644 CVE-2021-33645\n                   CVE-2021-33646\n====================================================================\n1. Summary:\n\nAn update for libtar is now available for Red Hat Enterprise Linux 8. \n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64\n\n3. Description:\n\nThe libtar packages contain a C library for manipulating tar archives. The\nlibrary supports both the strict POSIX tar format and many of the commonly\nused GNU extensions. \n\nSecurity Fix(es):\n\n* libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)\n\n* libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)\n\n* libtar: memory leak found in th_read() function (CVE-2021-33645)\n\n* libtar: memory leak found in th_read() function (CVE-2021-33646)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat\nEnterprise Linux 8.8 Release Notes linked from the References section. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Package List:\n\nRed Hat Enterprise Linux AppStream (v. 8):\n\nSource:\nlibtar-1.2.20-17.el8.src.rpm\n\naarch64:\nlibtar-1.2.20-17.el8.aarch64.rpm\nlibtar-debuginfo-1.2.20-17.el8.aarch64.rpm\nlibtar-debugsource-1.2.20-17.el8.aarch64.rpm\n\nppc64le:\nlibtar-1.2.20-17.el8.ppc64le.rpm\nlibtar-debuginfo-1.2.20-17.el8.ppc64le.rpm\nlibtar-debugsource-1.2.20-17.el8.ppc64le.rpm\n\ns390x:\nlibtar-1.2.20-17.el8.s390x.rpm\nlibtar-debuginfo-1.2.20-17.el8.s390x.rpm\nlibtar-debugsource-1.2.20-17.el8.s390x.rpm\n\nx86_64:\nlibtar-1.2.20-17.el8.i686.rpm\nlibtar-1.2.20-17.el8.x86_64.rpm\nlibtar-debuginfo-1.2.20-17.el8.i686.rpm\nlibtar-debuginfo-1.2.20-17.el8.x86_64.rpm\nlibtar-debugsource-1.2.20-17.el8.i686.rpm\nlibtar-debugsource-1.2.20-17.el8.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-33643\nhttps://access.redhat.com/security/cve/CVE-2021-33644\nhttps://access.redhat.com/security/cve/CVE-2021-33645\nhttps://access.redhat.com/security/cve/CVE-2021-33646\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.8_release_notes/index\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. 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