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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.5880 skopeo security and bug fix update 16 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: skopeo Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2021-33198 CVE-2021-20291 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:7955 Comment: CVSS (Max): 7.5 CVE-2021-33198 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: skopeo security and bug fix update Advisory ID: RHSA-2022:7955-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:7955 Issue date: 2022-11-15 CVE Names: CVE-2021-20291 CVE-2021-33198 ===================================================================== 1. Summary: An update for skopeo is now available for Red Hat Enterprise Linux 9. 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 AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64 3. Description: The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Security Fix(es): * containers/storage: DoS via malicious image (CVE-2021-20291) * golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198) 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 9.1 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/): 1939485 - CVE-2021-20291 containers/storage: DoS via malicious image 1988128 - Enable LTO build of skopeo for RHEL 9 1989575 - CVE-2021-33198 golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents 6. Package List: Red Hat Enterprise Linux AppStream (v. 9): Source: skopeo-1.9.2-1.el9.src.rpm aarch64: skopeo-1.9.2-1.el9.aarch64.rpm skopeo-debuginfo-1.9.2-1.el9.aarch64.rpm skopeo-debugsource-1.9.2-1.el9.aarch64.rpm skopeo-tests-1.9.2-1.el9.aarch64.rpm ppc64le: skopeo-1.9.2-1.el9.ppc64le.rpm skopeo-debuginfo-1.9.2-1.el9.ppc64le.rpm skopeo-debugsource-1.9.2-1.el9.ppc64le.rpm skopeo-tests-1.9.2-1.el9.ppc64le.rpm s390x: skopeo-1.9.2-1.el9.s390x.rpm skopeo-debuginfo-1.9.2-1.el9.s390x.rpm skopeo-debugsource-1.9.2-1.el9.s390x.rpm skopeo-tests-1.9.2-1.el9.s390x.rpm x86_64: skopeo-1.9.2-1.el9.x86_64.rpm skopeo-debuginfo-1.9.2-1.el9.x86_64.rpm skopeo-debugsource-1.9.2-1.el9.x86_64.rpm skopeo-tests-1.9.2-1.el9.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-2021-20291 https://access.redhat.com/security/cve/CVE-2021-33198 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.1_release_notes/index 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBY3PhR9zjgjWX9erEAQgx8w/8DtFfPWF06IeoNdA9Ks2qP1ZWdPmYSR+L sYV7fXD2X25jesaINsMRlXFrPXG2kaKZRO+ZCa1+va2PLEgdRe19bSRPw6Q+xun2 jq7/yo/S94ONLTXctUDRwt7uKi8BTYfj26VOQvrmzKvDKp51KwFWOGYe+7QkBlaC TUJpd9VNhW6SuR9cokvg+IMJ83Hm332/V8NsDx1AMx/Q0se4GMP9BKiR3CG83dv9 gLG0t6i/R/gWCtA2mjvjXzEtmVkLu9F19vW0LtasRBO1R1fU2prud51DlRgoRgsJ to8uiurZx3unFqQPfZf8UFSGwLkKFzbMT/zVKfjM4HdfhRcTZy1EWaTHiJUvoe4/ wD2X8v88qbeJ08a20KtZb/8X2I1hjbvNAHV2PMSxVt04ToU5miOHwd1Wgax/nqXL jPQSfTM1iiaB2Kq7/23G6JXhFcriK1/e8XKH7N02kIxAWa9LOmFJ0Z3uPuGS3YJ2 Aa+qDDfLdq3pfIaAbpJnDPFqm0scxaIx3fGw8TcmW1ra+GrnQx+4D89wTqlht4Se PQU3pf93EU0BDNDctrqW0acr3guybu1qn6Juh/NMGAMS1wtz2mbdzGYEmuUA3Cd3 x+ojiCMUxYQI31kDhAn88Xq3I1nWtm7I/sDj8kddrrNf4pMbB2Jgzqd3cJ4/s6DS UoStIDC36rc= =tD9P - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBY3QsCckNZI30y1K9AQifVBAAnJEnS5IuZST85UNV60EACC4FBgiIKU48 XrnhP3UzV7GfXHEQjaNjqc34+PjrmhwfqA8qJdw4C9r0mkn5uLXV+MokUNdVVa2q XAihSg9lTBHMfdwv6ZiTNTn34q37JfIpvswaqDawvz+LsMz++ITLWJbwEB1fZiCo CojLjYC3lPflo+XHHulMfelaZl7JZjWVvIUjvkWc1HcfkOwG4uFDovUhmyZvVCgY Bl8GNthwieaivCQzzKLxDwEP/jOgCiQNSxMRShA/3/QySstiZjnb+KsQKfFrkSsX jleNgkBCDxxjvtt5TMvlfPUIY1V8dnOh/HCdSXcCwGmIGNI5oys6wUiG5uajkntX E1J/u++yhmTbt4Yy9wJ5Fkhe9BPDh7QXlsH8gmy6Yidy9oHLNSHzu1liRkTt+LAy joBy4Lyu2SWKBRB7Ujt0lWXjQ/SLgW9nAKCUaIvUHiNJ4EDSYuAl1IVQ083VzMl2 5D/59A2LffY2DxiwubBCNE//U1YZbX3eJFtrRgbse0PV0l9Rh/zsgzlGR32IX86Y HuEzpJchlRmHwBOCEiK3KUtxFXe8d51aghnreQayZVx2xkMmCrIQ8J5hO/3uw3Yq dOAppEB5Rzad8wT1uvKUmUPb11PIKcbHNfEItRp3dlZNwvBXpdNRPetA1BBLiETH 4m+KtCulRo8= =UnGg -----END PGP SIGNATURE-----