GLSA-202208-30 : GNU Binutils: Multiple Vulnerabilities

high Nessus Plugin ID 164113

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Description

The remote host is affected by the vulnerability described in GLSA-202208-30 (GNU Binutils: Multiple Vulnerabilities)

- There is an open race window when writing output in the following utilities in GNU binutils version 2.35 and earlier:ar, objcopy, strip, ranlib. When these utilities are run as a privileged user (presumably as part of a script updating binaries across different users), an unprivileged user can trick these utilities into getting ownership of arbitrary files through a symlink. (CVE-2021-20197)

- A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in
_bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability. (CVE-2021-20284)

- A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability. (CVE-2021-20294)

- There's a flaw in the BFD library of binutils in versions before 2.36. An attacker who supplies a crafted file to an application linked with BFD, and using the DWARF functionality, could cause an impact to system availability by way of excessive memory consumption. (CVE-2021-3487)

- A flaw was discovered in GNU libiberty within demangle_path() in rust-demangle.c, as distributed in GNU Binutils version 2.36. A crafted symbol can cause stack memory to be exhausted leading to a crash.
(CVE-2021-3530)

- An out of bounds flaw was found in GNU binutils objdump utility version 2.36. An attacker could use this flaw and pass a large section to avr_elf32_load_records_from_section() probably resulting in a crash or in some cases memory corruption. The highest threat from this vulnerability is to integrity as well as system availability. (CVE-2021-3549)

- stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out- of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699. (CVE-2021-45078)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

All Binutils users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose >=sys-devel/binutils-2.38 All Binutils library users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose >=sys-libs/binutils-libs-2.38

Plugin Details

Severity: High

ID: 164113

File Name: gentoo_GLSA-202208-30.nasl

Version: 1.3

Type: local

Family: Gentoo Local Security Checks

Published: 8/15/2022

Updated: 10/16/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-45078

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:binutils, p-cpe:/a:gentoo:linux:binutils-libs, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/14/2022

Vulnerability Publication Date: 1/28/2021

Reference Information

CVE: CVE-2021-20197, CVE-2021-20284, CVE-2021-20294, CVE-2021-3487, CVE-2021-3530, CVE-2021-3549, CVE-2021-45078

Detections

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