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===================================================================== Red Hat Security Advisory
Synopsis: Moderate: devtoolset-11-gcc security update Advisory ID: RHSA-2021:4669-01 Product: Red Hat Software Collections Advisory URL: https://access.redhat.com/errata/RHSA-2021:4669 Issue date: 2021-11-15 CVE Names: CVE-2021-42574 =====================================================================
1. Summary:
An update for devtoolset-11-gcc is now available for Red Hat Software Collections.
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 Software Collections for Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
The GNU Compiler Collection (GCC) is a portable compiler suite with support for various programming languages, including C, C++, and Fortran. The devtoolset-11-gcc packages provide the Red Hat Developer Toolset version of GCC, as well as related libraries.
Security Fix(es):
* Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks (CVE-2021-42574)
The following changes were introduced in gcc in order to facilitate detection of BiDi Unicode characters:
This update implements a new warning option -Wbidirectional to warn about possibly dangerous bidirectional characters.
There are three levels of warning supported by gcc: "-Wbidirectional=unpaired", which warns about improperly terminated BiDi contexts. (This is the default.) "-Wbidirectional=none", which turns the warning off. "-Wbidirectional=any", which warns about any use of bidirectional characters.
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, refer to:
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 Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source: devtoolset-11-gcc-11.2.1-1.2.el7.src.rpm
ppc64: devtoolset-11-gcc-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.ppc64.rpm libasan6-11.2.1-1.2.el7.ppc64.rpm liblsan-11.2.1-1.2.el7.ppc64.rpm libtsan-11.2.1-1.2.el7.ppc64.rpm libubsan1-11.2.1-1.2.el7.ppc64.rpm
ppc64le: devtoolset-11-gcc-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.ppc64le.rpm libasan6-11.2.1-1.2.el7.ppc64le.rpm liblsan-11.2.1-1.2.el7.ppc64le.rpm libtsan-11.2.1-1.2.el7.ppc64le.rpm libubsan1-11.2.1-1.2.el7.ppc64le.rpm
s390x: devtoolset-11-gcc-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.s390x.rpm libasan6-11.2.1-1.2.el7.s390x.rpm libubsan1-11.2.1-1.2.el7.s390x.rpm
x86_64: devtoolset-11-gcc-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.i686.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.i686.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.x86_64.rpm libasan6-11.2.1-1.2.el7.i686.rpm libasan6-11.2.1-1.2.el7.x86_64.rpm liblsan-11.2.1-1.2.el7.x86_64.rpm libtsan-11.2.1-1.2.el7.x86_64.rpm libubsan1-11.2.1-1.2.el7.i686.rpm libubsan1-11.2.1-1.2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):
Source: devtoolset-11-gcc-11.2.1-1.2.el7.src.rpm
ppc64: devtoolset-11-gcc-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.ppc64.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.ppc64.rpm libasan6-11.2.1-1.2.el7.ppc64.rpm liblsan-11.2.1-1.2.el7.ppc64.rpm libtsan-11.2.1-1.2.el7.ppc64.rpm libubsan1-11.2.1-1.2.el7.ppc64.rpm
ppc64le: devtoolset-11-gcc-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.ppc64le.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.ppc64le.rpm libasan6-11.2.1-1.2.el7.ppc64le.rpm liblsan-11.2.1-1.2.el7.ppc64le.rpm libtsan-11.2.1-1.2.el7.ppc64le.rpm libubsan1-11.2.1-1.2.el7.ppc64le.rpm
s390x: devtoolset-11-gcc-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.s390x.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.s390x.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.s390x.rpm libasan6-11.2.1-1.2.el7.s390x.rpm libubsan1-11.2.1-1.2.el7.s390x.rpm
x86_64: devtoolset-11-gcc-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.i686.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.i686.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.x86_64.rpm libasan6-11.2.1-1.2.el7.i686.rpm libasan6-11.2.1-1.2.el7.x86_64.rpm liblsan-11.2.1-1.2.el7.x86_64.rpm libtsan-11.2.1-1.2.el7.x86_64.rpm libubsan1-11.2.1-1.2.el7.i686.rpm libubsan1-11.2.1-1.2.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source: devtoolset-11-gcc-11.2.1-1.2.el7.src.rpm
x86_64: devtoolset-11-gcc-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-c++-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.i686.rpm devtoolset-11-gcc-debuginfo-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-gdb-plugin-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-gfortran-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-gcc-plugin-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libasan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libatomic-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.i686.rpm devtoolset-11-libgccjit-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libgccjit-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libgccjit-docs-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libitm-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-liblsan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libquadmath-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libstdc++-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libstdc++-docs-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libtsan-devel-11.2.1-1.2.el7.x86_64.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.i686.rpm devtoolset-11-libubsan-devel-11.2.1-1.2.el7.x86_64.rpm libasan6-11.2.1-1.2.el7.i686.rpm libasan6-11.2.1-1.2.el7.x86_64.rpm liblsan-11.2.1-1.2.el7.x86_64.rpm libtsan-11.2.1-1.2.el7.x86_64.rpm libubsan1-11.2.1-1.2.el7.i686.rpm libubsan1-11.2.1-1.2.el7.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 <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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