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Red Hat: RHSA-2021-4591 Moderate: BiDi Trojan Source Flaw

An update for gcc-toolset-11-annobin 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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: gcc-toolset-11-annobin security update Advisory ID: RHSA-2021:4591-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:4591 Issue date: 2021-11-10 CVE Names: CVE-2021-42574 ==================================================================== 1. Summary: An update for gcc-toolset-11-annobin 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 AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64 3. Description: Annobin provides a compiler plugin to annotate and tools to examine compiled binary files. Security Fix(es): * Developer environment: Unicode's bidirectional (BiDi) override characterscan cause trojan source attacks (CVE-2021-42574) The following changes were introduced in annobin in order to facilitate detection of BiDi Unicode characters: This update of annobin adds a new annocheck test to detect the presence of multibyte characters in symbol names. 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, referto: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 2005819 - CVE-2021-42574 Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: gcc-toolset-11-annobin-9.85-1.el8_5.1.src.rpm aarch64: gcc-toolset-11-annobin-annocheck-9.85-1.el8_5.1.aarch64.rpm gcc-toolset-11-annobin-annocheck-debuginfo-9.85-1.el8_5.1.aarch64.rpm gcc-toolset-11-annobin-debuginfo-9.85-1.el8_5.1.aarch64.rpm gcc-toolset-11-annobin-plugin-gcc-9.85-1.el8_5.1.aarch64.rpm gcc-toolset-11-annobin-plugin-gcc-debuginfo-9.85-1.el8_5.1.aarch64.rpm noarch: gcc-toolset-11-annobin-docs-9.85-1.el8_5.1.noarch.rpm ppc64le: gcc-toolset-11-annobin-annocheck-9.85-1.el8_5.1.ppc64le.rpm gcc-toolset-11-annobin-annocheck-debuginfo-9.85-1.el8_5.1.ppc64le.rpm gcc-toolset-11-annobin-debuginfo-9.85-1.el8_5.1.ppc64le.rpm gcc-toolset-11-annobin-plugin-gcc-9.85-1.el8_5.1.ppc64le.rpm gcc-toolset-11-annobin-plugin-gcc-debuginfo-9.85-1.el8_5.1.ppc64le.rpm s390x: gcc-toolset-11-annobin-annocheck-9.85-1.el8_5.1.s390x.rpm gcc-toolset-11-annobin-annocheck-debuginfo-9.85-1.el8_5.1.s390x.rpm gcc-toolset-11-annobin-debuginfo-9.85-1.el8_5.1.s390x.rpm gcc-toolset-11-annobin-plugin-gcc-9.85-1.el8_5.1.s390x.rpm gcc-toolset-11-annobin-plugin-gcc-debuginfo-9.85-1.el8_5.1.s390x.rpm x86_64: gcc-toolset-11-annobin-annocheck-9.85-1.el8_5.1.x86_64.rpm gcc-toolset-11-annobin-annocheck-debuginfo-9.85-1.el8_5.1.x86_64.rpm gcc-toolset-11-annobin-debuginfo-9.85-1.el8_5.1.x86_64.rpm gcc-toolset-11-annobin-plugin-gcc-9.85-1.el8_5.1.x86_64.rpm gcc-toolset-11-annobin-plugin-gcc-debuginfo-9.85-1.el8_5.1.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-2021-42574 https://access.redhat.com/security/updates/classification#moderate https://access.redhat.com/security/vulnerabilities/RHSB-2021-007 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYYvZ9dzjgjWX9erEAQijrg//UGm7YT4F4LvVAESTFUwuR+6+I6wBSfKH vDI8UTUHuGL5bgJe+DPAE4zhEBlYQflsSPctGFf9H9aZV6nTIcKtMFZNREyQIC0n IgfbLp5nsipOuU+be7OOatoKAejiBW7ObmfNZJJ7pKnhen4XvjhR/N6SXa5n8hhF WJDv7MTaxwP7ieQr+NIO4HdNtay79M/TJjGTPtsNAOsa9CG20L+0MeKU9HcyvKUW TyH2Q9WhECqzWmeD3knfddCS9FOZ97PbmdGwS9qz7LkeHOja4MuBc19vdZtBB9t7 qFOdSE/l/ktad0H49Hn/g/ka/7a/go3gmXH5ulkpwe/U/c+lnCDvs3Uve0dn0C6V dpROWbMgZKoyCykOGjgC5e8oPFFLa9znS4J9t1uqdTgyt+G9U1yCUKj/5Buz+uTq Jm0iDUpavJktLGihp6aO/uyKGAsWGcRqWwojr7iyaCbXVudiqNEaPBSeYYi5/XRS hNXoBaKzfSWqlkFmr4CYuEBhNohVmTn369ENXfE5Lsoy0TX/HpHzIOlhyjEKM/Li 5nACYby+kj1jPR0gsUA8PxqykPBJmuZXPGKAH+W8RFD5tDPiDBAKcQRyWkPFpLlJ zMGxR49Mngm7KjDfMfnbMx8p+kE4ziAGzKieceXTrqxCitkuddZ4N6m5QCnaIQaY L5fVVJFJgI0=+TDG -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . An update for gcc-toolset-11-annobin is now released for Red Hat, addressing a moderate security issue related to BiDi Unicode character processing.. gcc-toolset-11-annobin, BiDi attack, moderate severity, security advisory. . LinuxSecurity.com Team

Nov 10, 2021 Red Hat