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Ubuntu 20.04 ESM : LibBPF vulnerabilities (USN-5759-2)

high Nessus Plugin ID 183569

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 20.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5759-2 advisory.

 - A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032. (CVE-2022-3534)

 - A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability. (CVE-2022-3606)

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 affected libbpf-dev and / or libbpf0 packages.

See Also

https://ubuntu.com/security/notices/USN-5759-2

Plugin Details

Severity: High

ID: 183569

File Name: ubuntu_USN-5759-2.nasl

Version: 1.0

Type: local

Agent: unix

Published: 10/20/2023

Updated: 10/20/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 5.7

Vector: CVSS2#AV:A/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-3534

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:libbpf-dev, p-cpe:/a:canonical:ubuntu_linux:libbpf0

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2022

Vulnerability Publication Date: 10/17/2022

Reference Information

CVE: CVE-2022-3534, CVE-2022-3606

USN: 5759-2