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RHEL 8 : binutils (RHSA-2021:4364)
medium Nessus Plugin ID 155155
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Synopsis
The remote Red Hat host is missing one or more security updates for binutils.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4364 advisory.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):
* binutils: Excessive debug section size can cause excessive memory consumption in bfd's dwarf2.c read_section() (CVE-2021-3487)
* binutils: Race window allows users to own arbitrary files (CVE-2021-20197)
* binutils: Heap-based buffer overflow in bfd_getl_signed_32() in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section() in elf.c (CVE-2020-35448)
* binutils: Heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c (CVE-2021-20284)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL binutils package based on the guidance in RHSA-2021:4364.See Also
http://www.nessus.org/u?7240878e
http://www.nessus.org/u?efa7d434
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/errata/RHSA-2021:4364
https://bugzilla.redhat.com/show_bug.cgi?id=1913743
https://bugzilla.redhat.com/show_bug.cgi?id=1924068
https://bugzilla.redhat.com/show_bug.cgi?id=1930988
https://bugzilla.redhat.com/show_bug.cgi?id=1935785
https://bugzilla.redhat.com/show_bug.cgi?id=1937784
https://bugzilla.redhat.com/show_bug.cgi?id=1946518
https://bugzilla.redhat.com/show_bug.cgi?id=1946977
https://bugzilla.redhat.com/show_bug.cgi?id=1947111
Plugin Details
Severity: Medium
ID: 155155
File Name: redhat-RHSA-2021-4364.nasl
Version: 1.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 11/11/2021
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2020-35448
CVSS v3
Risk Factor: Medium
Base Score: 6.3
Temporal Score: 5.7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2021-20197
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:binutils, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:binutils-devel
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 11/9/2021
Vulnerability Publication Date: 12/27/2020
Reference Information
CVE: CVE-2020-35448, CVE-2021-20197, CVE-2021-20284, CVE-2021-3487