Amazon Linux AMI update for gcc



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-27943
CWE-ID CWE-400
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

gcc
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU72528

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-27943

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within demangle_const in libiberty/rust-demangle.c. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    libtsan-11.3.1-4.amzn2023.0.3.aarch64
    gcc-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libasan-11.3.1-4.amzn2023.0.3.aarch64
    libgccjit-devel-11.3.1-4.amzn2023.0.3.aarch64
    cpp-11.3.1-4.amzn2023.0.3.aarch64
    libgomp-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libasan-static-11.3.1-4.amzn2023.0.3.aarch64
    liblsan-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    gcc-gdb-plugin-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    gcc-11.3.1-4.amzn2023.0.3.aarch64
    gcc-gdb-plugin-11.3.1-4.amzn2023.0.3.aarch64
    libstdc++-static-11.3.1-4.amzn2023.0.3.aarch64
    libgcc-11.3.1-4.amzn2023.0.3.aarch64
    libatomic-11.3.1-4.amzn2023.0.3.aarch64
    libubsan-static-11.3.1-4.amzn2023.0.3.aarch64
    libubsan-11.3.1-4.amzn2023.0.3.aarch64
    libatomic-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libgomp-11.3.1-4.amzn2023.0.3.aarch64
    libgccjit-11.3.1-4.amzn2023.0.3.aarch64
    libgcc-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    gcc-gfortran-11.3.1-4.amzn2023.0.3.aarch64
    libitm-static-11.3.1-4.amzn2023.0.3.aarch64
    libgfortran-static-11.3.1-4.amzn2023.0.3.aarch64
    gcc-c++-11.3.1-4.amzn2023.0.3.aarch64
    libitm-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    gcc-gfortran-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libgccjit-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    liblsan-static-11.3.1-4.amzn2023.0.3.aarch64
    libtsan-static-11.3.1-4.amzn2023.0.3.aarch64
    cpp-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libgfortran-11.3.1-4.amzn2023.0.3.aarch64
    libtsan-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    liblsan-11.3.1-4.amzn2023.0.3.aarch64
    gcc-plugin-devel-11.3.1-4.amzn2023.0.3.aarch64
    libasan-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    gcc-c++-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libstdc++-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libubsan-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libstdc++-devel-11.3.1-4.amzn2023.0.3.aarch64
    gcc-plugin-devel-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libitm-11.3.1-4.amzn2023.0.3.aarch64
    libgfortran-debuginfo-11.3.1-4.amzn2023.0.3.aarch64
    libstdc++-11.3.1-4.amzn2023.0.3.aarch64
    libatomic-static-11.3.1-4.amzn2023.0.3.aarch64
    libitm-devel-11.3.1-4.amzn2023.0.3.aarch64
    gcc-debugsource-11.3.1-4.amzn2023.0.3.aarch64
    libstdc++-docs-11.3.1-4.amzn2023.0.3.aarch64

src:
    gcc-11.3.1-4.amzn2023.0.3.src

x86_64:
    gcc-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libstdc++-static-11.3.1-4.amzn2023.0.3.x86_64
    liblsan-static-11.3.1-4.amzn2023.0.3.x86_64
    libtsan-11.3.1-4.amzn2023.0.3.x86_64
    libasan-11.3.1-4.amzn2023.0.3.x86_64
    libubsan-static-11.3.1-4.amzn2023.0.3.x86_64
    libasan-static-11.3.1-4.amzn2023.0.3.x86_64
    libgccjit-11.3.1-4.amzn2023.0.3.x86_64
    cpp-11.3.1-4.amzn2023.0.3.x86_64
    gcc-11.3.1-4.amzn2023.0.3.x86_64
    libgccjit-devel-11.3.1-4.amzn2023.0.3.x86_64
    cpp-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libgomp-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libstdc++-devel-11.3.1-4.amzn2023.0.3.x86_64
    gcc-plugin-devel-11.3.1-4.amzn2023.0.3.x86_64
    libtsan-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    gcc-c++-11.3.1-4.amzn2023.0.3.x86_64
    libasan-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libubsan-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    gcc-gdb-plugin-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    gcc-offload-nvptx-11.3.1-4.amzn2023.0.3.x86_64
    libgccjit-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libgfortran-static-11.3.1-4.amzn2023.0.3.x86_64
    gcc-gfortran-11.3.1-4.amzn2023.0.3.x86_64
    gcc-gfortran-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    liblsan-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libgfortran-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libstdc++-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    gcc-c++-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libitm-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    gcc-offload-nvptx-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libstdc++-11.3.1-4.amzn2023.0.3.x86_64
    libgfortran-11.3.1-4.amzn2023.0.3.x86_64
    gcc-debugsource-11.3.1-4.amzn2023.0.3.x86_64
    libtsan-static-11.3.1-4.amzn2023.0.3.x86_64
    libstdc++-docs-11.3.1-4.amzn2023.0.3.x86_64
    libquadmath-static-11.3.1-4.amzn2023.0.3.x86_64
    libquadmath-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    gcc-plugin-devel-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libgomp-11.3.1-4.amzn2023.0.3.x86_64
    liblsan-11.3.1-4.amzn2023.0.3.x86_64
    libubsan-11.3.1-4.amzn2023.0.3.x86_64
    libgcc-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libquadmath-11.3.1-4.amzn2023.0.3.x86_64
    gcc-gdb-plugin-11.3.1-4.amzn2023.0.3.x86_64
    libitm-static-11.3.1-4.amzn2023.0.3.x86_64
    libgcc-11.3.1-4.amzn2023.0.3.x86_64
    libitm-11.3.1-4.amzn2023.0.3.x86_64
    libatomic-static-11.3.1-4.amzn2023.0.3.x86_64
    libgomp-offload-nvptx-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libatomic-debuginfo-11.3.1-4.amzn2023.0.3.x86_64
    libgomp-offload-nvptx-11.3.1-4.amzn2023.0.3.x86_64
    libatomic-11.3.1-4.amzn2023.0.3.x86_64
    libquadmath-devel-11.3.1-4.amzn2023.0.3.x86_64
    libitm-devel-11.3.1-4.amzn2023.0.3.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

gcc: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-145.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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