RedHat: RHSA-2021-4669:04 Moderate: devtoolset-11-gcc security update
Summary
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 characterscan 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.
Summary
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
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
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/
Topic
An update for devtoolset-11-gcc is now available for Red Hat SoftwareCollections.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
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
Bugs Fixed
2005819 - CVE-2021-42574 Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks