- Issued:
- 2021-11-01
- Updated:
- 2021-11-01
RHSA-2021:4039 - Moderate: devtoolset-10-gcc security update
Synopsis
Moderate: devtoolset-10-gcc security update
Type/Severity
Security Advisory Moderate
Topic
An update for devtoolset-10-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.
Description
The GNU Compiler Collection (GCC) is a portable compiler suite with support for various programming languages, including C, C++, and Fortran. The devtoolset-10-gcc packages provide the Red Hat Developer Toolset 10 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 binutils in order to facilitate detection of BiDi Unicode characters:
This gcc update implements -Wbidirectional=[none|unpaired|any] 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", turns the warning off. "-Wbidirectional=any" 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.
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
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Software Collections (for RHEL Workstation) | 1 | x86_64 |
| Red Hat Software Collections (for RHEL Server) | 1 | x86_64 |
| Red Hat Software Collections (for RHEL Server) | 1 | x86_64 |
| Red Hat Software Collections (for RHEL Server for System Z) | 1 | s390x |
| Red Hat Software Collections (for RHEL Server for System Z) | 1 | s390x |
| Red Hat Software Collections (for RHEL Server for IBM Power) | 1 | ppc64 |
| Red Hat Software Collections (for RHEL Server for IBM Power) | 1 | ppc64 |
| Red Hat Software Collections (for RHEL Server for IBM Power LE) | 1 | ppc64le |
| Red Hat Software Collections (for RHEL Server for IBM Power LE) | 1 | ppc64le |
Updated Packages
- devtoolset-10-libasan-devel-10.2.1-11.2.el7.x86_64.rpm
- libasan6-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-debuginfo-10.2.1-11.2.el7.x86_64.rpm
- libubsan1-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-c++-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-plugin-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libstdc++-docs-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-plugin-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-libgccjit-docs-10.2.1-11.2.el7.s390x.rpm
- libubsan1-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libitm-devel-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-liblsan-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libstdc++-docs-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-gdb-plugin-10.2.1-11.2.el7.s390x.rpm
- libtsan-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libgccjit-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-libquadmath-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-gcc-10.2.1-11.2.el7.x86_64.rpm
- liblsan-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libatomic-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libatomic-devel-10.2.1-11.2.el7.i686.rpm
- libtsan-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-gcc-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libitm-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libasan-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libgccjit-docs-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libstdc++-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libubsan-devel-10.2.1-11.2.el7.ppc64le.rpm
- libasan6-10.2.1-11.2.el7.ppc64.rpm
- libasan6-10.2.1-11.2.el7.x86_64.rpm
- libtsan-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-gcc-gfortran-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libgccjit-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libstdc++-docs-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libtsan-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libubsan-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libasan-devel-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-gcc-gdb-plugin-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libgccjit-docs-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libtsan-devel-10.2.1-11.2.el7.ppc64.rpm
- libasan6-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-libgccjit-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-gcc-c++-10.2.1-11.2.el7.x86_64.rpm
- liblsan-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libgccjit-docs-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libstdc++-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-c++-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-gcc-gfortran-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-plugin-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libquadmath-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-10.2.1-11.2.el7.src.rpm
- devtoolset-10-libtsan-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libstdc++-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libitm-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libubsan-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-libatomic-devel-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libstdc++-docs-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-gcc-gdb-plugin-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-liblsan-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libquadmath-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-gcc-gfortran-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-libgccjit-devel-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libgccjit-devel-10.2.1-11.2.el7.x86_64.rpm
- liblsan-10.2.1-11.2.el7.x86_64.rpm
- libubsan1-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-10.2.1-11.2.el7.s390x.rpm
- libubsan1-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libgccjit-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libubsan-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libgccjit-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libquadmath-devel-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libstdc++-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-gcc-gdb-plugin-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-gcc-c++-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-debuginfo-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libatomic-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libgccjit-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libstdc++-devel-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libgccjit-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-gfortran-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-gcc-debuginfo-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libatomic-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-debuginfo-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-libgccjit-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-gcc-debuginfo-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-liblsan-devel-10.2.1-11.2.el7.ppc64le.rpm
- libasan6-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libasan-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-plugin-devel-10.2.1-11.2.el7.ppc64.rpm
- devtoolset-10-libitm-devel-10.2.1-11.2.el7.s390x.rpm
- devtoolset-10-gcc-10.2.1-11.2.el7.ppc64le.rpm
- devtoolset-10-libasan-devel-10.2.1-11.2.el7.ppc64.rpm
- libubsan1-10.2.1-11.2.el7.i686.rpm
- devtoolset-10-libitm-devel-10.2.1-11.2.el7.x86_64.rpm
- devtoolset-10-libubsan-devel-10.2.1-11.2.el7.i686.rpm
Fixes
CVEs
References
- https://access.redhat.com/security/updates/classification/#moderate
- This content is not included.This content is not included.https://access.redhat.com/security/vulnerabilities/RHSB-2021-007
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.