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Red Hat Product Errata RHSA-2021:4594 - Security Advisory
Issued:
2021-11-10
Updated:
2021-11-10

RHSA-2021:4594 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: gcc-toolset-11-binutils security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for gcc-toolset-11-binutils 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.

Description

The binutils packages provide a collection of binary utilities for the manipulation of object code in various object file formats. It includes the ar, as, gprof, ld, nm, objcopy, objdump, ranlib, readelf, size, strings, strip, and addr2line utilities.

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:

Tools which display names or strings (readelf, strings, nm, objdump) have a new command line option --unicode / -U which controls how Unicode characters are handled.

Using "--unicode=default" will treat them as normal for the tool. This is the default behaviour when --unicode option is not used.
Using "--unicode=locale" will display them according to the current locale.
Using "--unicode=hex" will display them as hex byte values.
Using "--unicode=escape" will display them as Unicode escape sequences.
Using "--unicode=highlight" will display them as Unicode escape sequences highlighted in red, if supported by the output device.

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

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.6 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.6 x86_64
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

  • BZ - 2005819 - CVE-2021-42574 Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source attacks

CVEs

  • CVE-2021-42574

References

  • https://access.redhat.com/security/updates/classification/#moderate
  • https://access.redhat.com/security/vulnerabilities/RHSB-2021-007
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 8

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
x86_64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 745a8b9b317a58b52c2ef09713741d50d1d834001fc9424be99d70f99a41af42
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.i686.rpm SHA-256: 18673692eb26b47878edfadfdce31016b983f926fbbf770b2f33abcc357fafd8
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 1ccfbf3d7931832dfe10bb60e7e2c5f2d6d65dcc08b8963e3cb31c160c0e3802
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.i686.rpm SHA-256: bf06038cb2df2f73aac5f99cb08214f5be5adc2c30cb588314f1b7274f9c7ebf
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 42ac414ea8d6f997c19f2566a829b481a03bd590a5e6f10ae14717f67182fc3c

Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
x86_64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 745a8b9b317a58b52c2ef09713741d50d1d834001fc9424be99d70f99a41af42
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.i686.rpm SHA-256: 18673692eb26b47878edfadfdce31016b983f926fbbf770b2f33abcc357fafd8
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 1ccfbf3d7931832dfe10bb60e7e2c5f2d6d65dcc08b8963e3cb31c160c0e3802
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.i686.rpm SHA-256: bf06038cb2df2f73aac5f99cb08214f5be5adc2c30cb588314f1b7274f9c7ebf
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 42ac414ea8d6f997c19f2566a829b481a03bd590a5e6f10ae14717f67182fc3c

Red Hat Enterprise Linux Server - AUS 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
x86_64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 745a8b9b317a58b52c2ef09713741d50d1d834001fc9424be99d70f99a41af42
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.i686.rpm SHA-256: 18673692eb26b47878edfadfdce31016b983f926fbbf770b2f33abcc357fafd8
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 1ccfbf3d7931832dfe10bb60e7e2c5f2d6d65dcc08b8963e3cb31c160c0e3802
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.i686.rpm SHA-256: bf06038cb2df2f73aac5f99cb08214f5be5adc2c30cb588314f1b7274f9c7ebf
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 42ac414ea8d6f997c19f2566a829b481a03bd590a5e6f10ae14717f67182fc3c

Red Hat Enterprise Linux for IBM z Systems 8

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
s390x
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.s390x.rpm SHA-256: bb9dacd5db02f391881fdff7d0b7d2695f451cba95c082057321a1308eab2d3e
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.s390x.rpm SHA-256: 1b55a6ebbbce4c4620acd9050bab19c18c1b808583c48128a009d075159f2657
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.s390x.rpm SHA-256: a7ca233d6ba2ea30a6e4df774753a94315a4b06dcd43b5a0ece1546377d1c7a3

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
s390x
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.s390x.rpm SHA-256: bb9dacd5db02f391881fdff7d0b7d2695f451cba95c082057321a1308eab2d3e
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.s390x.rpm SHA-256: 1b55a6ebbbce4c4620acd9050bab19c18c1b808583c48128a009d075159f2657
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.s390x.rpm SHA-256: a7ca233d6ba2ea30a6e4df774753a94315a4b06dcd43b5a0ece1546377d1c7a3

Red Hat Enterprise Linux for Power, little endian 8

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
ppc64le
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: 37678c900c7d4f865463fac826eeb0a1c13b14303c720b92466be32f97897cad
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: a20804f9e861cc1951a75d731a6e9216dbbf1ff76a1a245a253683c89cbce96e
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: b27bf5087c5d194904b83cefc2f791607a959162cf21bbc8f252009a1b1fbd06

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
ppc64le
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: 37678c900c7d4f865463fac826eeb0a1c13b14303c720b92466be32f97897cad
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: a20804f9e861cc1951a75d731a6e9216dbbf1ff76a1a245a253683c89cbce96e
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: b27bf5087c5d194904b83cefc2f791607a959162cf21bbc8f252009a1b1fbd06

Red Hat Enterprise Linux Server - TUS 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
x86_64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 745a8b9b317a58b52c2ef09713741d50d1d834001fc9424be99d70f99a41af42
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.i686.rpm SHA-256: 18673692eb26b47878edfadfdce31016b983f926fbbf770b2f33abcc357fafd8
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 1ccfbf3d7931832dfe10bb60e7e2c5f2d6d65dcc08b8963e3cb31c160c0e3802
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.i686.rpm SHA-256: bf06038cb2df2f73aac5f99cb08214f5be5adc2c30cb588314f1b7274f9c7ebf
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 42ac414ea8d6f997c19f2566a829b481a03bd590a5e6f10ae14717f67182fc3c

Red Hat Enterprise Linux for ARM 64 8

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
aarch64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.aarch64.rpm SHA-256: 8f1c788563fcb70ecd2accc91d5048a656851c3e2057dcd9a9cd1e4696624d90
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.aarch64.rpm SHA-256: 4809e2802fb78a41fe570645f4463b83139032141b3d8f717ffb80747ff3ccc4
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.aarch64.rpm SHA-256: 46a3ccb86618dc0ae72cab2b576a022fd1a0784c8df92cdb13933d2424d527e0

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
aarch64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.aarch64.rpm SHA-256: 8f1c788563fcb70ecd2accc91d5048a656851c3e2057dcd9a9cd1e4696624d90
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.aarch64.rpm SHA-256: 4809e2802fb78a41fe570645f4463b83139032141b3d8f717ffb80747ff3ccc4
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.aarch64.rpm SHA-256: 46a3ccb86618dc0ae72cab2b576a022fd1a0784c8df92cdb13933d2424d527e0

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
ppc64le
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: 37678c900c7d4f865463fac826eeb0a1c13b14303c720b92466be32f97897cad
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: a20804f9e861cc1951a75d731a6e9216dbbf1ff76a1a245a253683c89cbce96e
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.ppc64le.rpm SHA-256: b27bf5087c5d194904b83cefc2f791607a959162cf21bbc8f252009a1b1fbd06

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.src.rpm SHA-256: 91bcf0850783d930d82dc116f30eab9450a57161e560b86df3824d3cf4111307
x86_64
gcc-toolset-11-binutils-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 745a8b9b317a58b52c2ef09713741d50d1d834001fc9424be99d70f99a41af42
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.i686.rpm SHA-256: 18673692eb26b47878edfadfdce31016b983f926fbbf770b2f33abcc357fafd8
gcc-toolset-11-binutils-debuginfo-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 1ccfbf3d7931832dfe10bb60e7e2c5f2d6d65dcc08b8963e3cb31c160c0e3802
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.i686.rpm SHA-256: bf06038cb2df2f73aac5f99cb08214f5be5adc2c30cb588314f1b7274f9c7ebf
gcc-toolset-11-binutils-devel-2.36.1-1.el8_5.1.x86_64.rpm SHA-256: 42ac414ea8d6f997c19f2566a829b481a03bd590a5e6f10ae14717f67182fc3c

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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