QID 239866

Date Published: 2021-11-11

QID 239866: Red Hat Update for binutils (RHSA-2021:4596)

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)

Affected Products:

  • Red Hat enterprise linux for x86_64 - extended update support 8.4 x86_64
  • Red Hat enterprise linux server - aus 8.4 x86_64
  • Red Hat enterprise linux for ibm z systems - extended update support 8.4 s390x
  • Red Hat enterprise linux for power, little endian - extended update support 8.4 ppc64le
  • Red Hat enterprise linux server - tus 8.4 x86_64
  • Red Hat enterprise linux for arm 64 - extended update support 8.4 aarch64
  • Red Hat enterprise linux server (for ibm power le) - update services for sap solutions 8.4 ppc64le
  • Red Hat enterprise linux server - update services for sap solutions 8.4 x86_64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as Critical - 8.3 severity.
  • CVSS V2 rated as Medium - 5.1 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4596 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239866

    CVE-2021-42574 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4596 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4596
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